Programming and Setup - All Systems — Buick LaCrosse II рестайлинг (2013-2016)

Control Module References

Reference Information

«Data Link References»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#data-communication-system-diagnostic-information-and-procedures__data-link-references)
«Diagnostic System Check - Vehicle»(/buick/lacrosse/ii-2013-2016/remont/oem-general-information/#vehicle-diagnostic-information-diagnostic-information-and-procedures)
«Diagnostic Trouble Code (DTC) List - Vehicle»(/buick/lacrosse/ii-2013-2016/remont/oem-general-information/#vehicle-diagnostic-information-diagnostic-information-and-procedures__diagnostic-trouble-code-dtc-list)
«Symptoms - Vehicle»(/buick/lacrosse/ii-2013-2016/remont/oem-general-information/#vehicle-diagnostic-information-diagnostic-information-and-procedures)

Code	Control Module/Scan Tool Information	Schematic	Repair Instruction	Programming and Setup
A11	Radio Scan Tool Information	Radio/Navigation System Schematics	Radio Replacement	Radio Programming and Setup
A20	Radio/HVAC Controls	Radio/Navigation System Schematics	Radio Control Assembly Replacement	Radio Control Programming and Setup
B218L/R	Side Object Sensing Alert Module Scan Tool Information	Object Detection Schematics	Side Object Sensor Replacement	Side Object Sensor Programming and Setup
K9	Body Control Module Scan Tool Information	Body Control System Schematics	Body Control Module Replacement	Body Control Module Programming and Setup
K16	Battery Energy Control Module Scan Tool Information	Hybrid/EV Energy Storage Schematics	Battery Energy Control Module Replacement	Battery Energy Control Module Programming and Setup
K17	Electronic Brake Control Module Scan Tool Information	Antilock Brake System Schematics	Electronic Brake Control Module Replacement or Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement	Electronic Brake Control Module Programming and Setup
K18	Compass Module	Instrument Cluster Schematics
K19	Electronic Suspension Control Module Scan Tool Information	Electronic Suspension Control Schematics	Electronic Suspension Control Module Replacement	Electronic Suspension Control Module Programming and Setup
K20	K20 Engine Control Module: Scan Tool Information	Engine Controls Schematics - 2.2L or 2.4L engine or Engine Controls Schematics - 2.8L, 3.0L, 3.2L, or 3.6L engine	Engine Control Module Replacement - 2.2L or 2.4L engine or Engine Control Module Replacement - 2.8L, 3.0L, 3.2L, or 3.6L engine	K20 Engine Control Module: Programming and Setup
K26	Headlamp Control Module Scan Tool Information	Headlights/Daytime Running Lights (DRL) Schematics	Headlamp Control Module Replacement	Headlamp Control Module Programming and Setup
K29		Heated/Cooled Seat Schematics		Heated Seat Control Module Programming and Setup
K32	Steering Wheel Heating Control Module	Steering Wheel Schematics	Steering Wheel Heat Control Module Replacement	Steering Wheel Heat Control Module Programming and Setup
K33	Heating, Ventilation and Air Conditioning Control Module Scan Tool Information	HVAC Schematics	Heater and Blower and Air Conditioning Control Module Replacement	HVAC System Control Module Programming and Setup
K36	Inflatable Restraint Sensing and Diagnostic Module Scan Tool Information	SIR Schematics	Airbag Sensing and Diagnostic Module Replacement	Inflatable Restraint Sensing and Diagnostic Module Programming and Setup
K38	Chassis Control Module Scan Tool Information	Engine Controls Schematics - 2.2L or 2.4L engine or Active Grille Air Shutter Schematics	Fuel Pump Flow Control Module Replacement - 2.2L or 2.4L engine	Chassis Control Module Programming and Setup
K40	Seat Memory Control Module Scan Tool Information	Driver Seat Schematics or Passenger Seat Schematics	Driver or Passenger Seat Adjuster Memory Module Replacement	Memory Seat Control Module Programming and Setup
K41	Object Alarm Module Scan Tool Information	Object Detection Schematics	Rear Object Alarm Control Module Replacement	Object Alarm Module Programming and Setup
K43	Power Steering Control Module (Electronic Power Steering)	Power Steering Schematics	Power Steering Assist Motor Replacement (NJ1) , Power Steering Assist Motor Replacement (NJ2)	Power Steering Control Module Programming and Setup (NJ1) , Power Steering Control Module Programming and Setup (NJ2) , Power Steering Control Module Programming and Setup (NV7)
K43	Power Steering Control Module Scan Tool Information (Variable Effort Steering)	Power Steering Schematics	Steering Power Variable Control Module Replacement (NV7 Only)	Power Steering Control Module Programming and Setup (NJ1) , Power Steering Control Module Programming and Setup (NJ2) , Power Steering Control Module Programming and Setup (NV7)
K47	Rear Differential Clutch Control Module Scan Tool Information	Rear Axle Schematics	Rear Differential Clutch Control Module Replacement	Rear Differential Clutch Control Module Programming and Setup
K59/K107A	Generator Control Module: Hybrid Powertrain Control Module Scan Tool Information Drive Motor Control Module Scan Tool Information	Hybrid/EV Controls Schematics	Generator Control Module Replacement	Generator Control Module Programming and Setup
K61	Sunroof Control Module	Sunroof Schematics	Sunroof Window Motor Replacement	Sunroof Control Module Programming and Setup
K71	Control Solenoid Valve and Transmission Control Module Assembly Transmission Control Module Scan Tool Information (6T70 (M7U, M7W0) , Transmission Control Module Scan Tool Information (6T40 (MHH))	Automatic Transmission Controls Schematics - 6T30/6T40/6T45 transmission or Automatic Transmission Controls Schematics - 6T70/6T75 transmission	Control Solenoid Valve and Transmission Control Module Assembly Replacement - 6T30/6T40/6T45 transmission or Control Solenoid Valve and Transmission Control Module Assembly Replacement - 6T70/6T75 transmission	Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6T70 (M7U, M7W)) , Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6T40 (MHH))
K73	Telematics Communication Interface Control Module Scan Tool Information	OnStar/Telematics Schematics	Communication Interface Module Replacement	Telematics Communication Interface Control Module Programming and Setup
K74	Human Machine Interface Control Module Scan Tool Information	Radio/Navigation System Schematics	Human Machine Interface Control Module Replacement	Human Machine Interface Control Module Programming and Setup
K77	Remote Control Door Lock Receiver	Door Lock/Indicator Schematics	Remote Control Door Lock Receiver Replacement	Remote Control Door Lock Receiver Programming and Setup
K83	Electronic Parking Brake Control Module Scan Tool Information	Park Brake System Schematics	Electronic Parking Brake Control Module Replacement	Electronic Parking Brake Control Module Programming and Setup
K84		Remote Function Schematics	Keyless Entry Control Module Replacement	Keyless Entry Control Module Programming and Setup
K85	Inflatable Restraint Passenger Presence System Scan Tool Information	SIR Schematics	Airbag Front Passenger Presence Sensor Replacement
K89	Immobilizer Control Module	Immobilizer Schematics	Theft Deterrent Module Replacement (Without BTM) , Theft Deterrent Module Replacement (With BTM)	Immobilizer Control Module Programming and Setup
K109	Front View Camera Module Scan Tool Information	Object Detection Schematics		Front View Camera Module Programming and Setup
K111	Fuel Pump Driver Control Module (Refer to ECM for scan tool information)	Engine Controls Schematics	Fuel Pump Power Control Module Replacement (AKA Fuel Pump Driver Control Module)	This device does not require programming and setup
P16	Instrument Cluster Scan Tool Information	Instrument Cluster Schematics	Instrument Cluster Replacement	Instrument Cluster Programming and Setup
P17	Rearview Camera Image Display Module	Video System Schematics	Rearview Camera Image Display Module Replacement
P29		Head-Up Display Schematics	Head-Up Display Replacement
S25	Garage Door Opener	Remote Function Schematics		Garage Door Opener Programming and Setup
T3	Audio Amplifier	Radio/Navigation System Schematics	Radio Speaker Amplifier Replacement	Audio Amplifier Programming and Setup
T11		Radio/Navigation System Schematics

Control Module References

Accessory AC and DC Power Control Module Programming and Setup

The T1 Accessory DC/AC Power Inverter Module does not require SPS programming or any setup procedures.

Audio Amplifier Programming and Setup

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or ECU damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

Reference Information

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

Replace and Program Control Module or Reprogram Control Module

To program a replacement or an existing control module, perform the following procedure

Install the EL-49642 SPS Programming Support Tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select T3 Audio Amplifier - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear DTCs" function on the SPS screen.

Unsuccessful Programming Recovery

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Battery Energy Control Module Programming and Setup

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or ECU damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

Diagnostic Aids

Replace and Program ECU or Reprogram ECU

To program a replacement or an existing ECU, perform the following procedure

Install the EL-49642 SPS programming support tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Battery Energy Control Module - Programming and follow the on-screen instructions.
At the end of programming, choose the"Clear All DTCs" function on the SPS screen.

Unsuccessful Programming Recovery

In the event of an interrupted or unsuccessful programming event, perform the following steps

DO NOT turn the ignition OFF. Ensure that all ECU, DLC and programming tool connections are secure and the TIS terminal operating software is up to date.
Attempt to reprogram the ECU.
If the ECU can still not be programmed, turn the ignition OFF for at least one minute.
Turn the ignition ON and attempt to reprogram the ECU. The ECU should program. If the ECU still cannot be programmed, replace the ECU.

Body Control Module Programming and Setup

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the control module is not properly configured with the correct calibration software, the control module will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or control module damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. When required install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

Special Tools

EL-49642 SPS Programming Support Tool
EL-46079 Tire Pressure Monitor Diagnostic Tool

For equivalent regional tools, refer to Special Tools .

Replace and Program Control Module

To program a replacement K9 Body Control Module (BCM), perform the following procedure

Install EL-49642 SPS programming support tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K9 Body Control Module - Configuration and follow the on-screen instructions (if applicable).
On the SPS Supported Controllers screen, select K9 Body Control Module - Programming and follow the on-screen instructions.
Perform the following for the appropriate ignition type prior to proceeding with the next step: Key Ignition System: Key in the ignition and any additional keys must be away from the vehicle at least 3 m. Push Button Start System: Keyless entry transmitter must be in the programming pocket. Refer to the owner manual for the exact pocket location. All additional transmitters must be away from the vehicle at least 3 m.
On the SPS Supported Controllers screen, select IMMO Immobilizer Learn - Setup. On the next screen, select Body Control Module IMMO Learn with Existing Transponder or Remote Key and follow the on-screen instructions. When Immobilizer Learn is complete, press the Unlock button on the keyless entry transmitter to allow the keyless entry transmitter to exit the Immobilizer Learn mode.
On the SPS Supported Controllers screen, select K9 Body Control Module - Setup and follow the on-screen instructions.
Check the driver information center display for additional messages regarding further calibration instructions. If there are no additional driver information center instructions present, programming is complete.
At the end of programming, choose the "Clear DTCs" function on the SPS screen.
If ABS, Traction Control and/or Stabilitrak indicators are ON and DTC C0161 is set in the K17 Electronic Brake Control Module after performing BCM programming and setup, do the following: Disconnect the scan tool from the X84 Data Link Connector. Ignition OFF, all access doors closed, all vehicle systems OFF, and all keys at least 3 m (9.8 ft) away from the vehicle. It may take up to 2 min to power down. Ignition ON, verify DTC C0161 is in history. If not, repeat the above step to make sure the vehicle is in sleep mode. Use the scan tool to clear the DTCs.

Reprogram Control Module

To program an existing K9 Body Control Module, perform the following procedure

Install EL-49642 SPS programming support tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K9 Body Control Module - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K9 Body Control Module - Setup and follow the on-screen instructions.
Check the driver information center display for additional messages regarding further calibration instructions. If there are no additional driver information center instructions present, programming is complete.
At the end of programming, choose the "Clear DTCs" function on the SPS screen.
If ABS, Traction Control and/or Stabilitrak indicators are ON and DTC C0161 is set in the K17 Electronic Brake Control Module after performing BCM programming and setup, do the following: Disconnect the scan tool from the X84 Data Link Connector. Ignition OFF, all access doors closed, all vehicle systems OFF, and all keys at least 3 m (9.8 ft) away from the vehicle. It may take up to 2 min to power down. Ignition ON, verify DTC C0161 is in history. If not, repeat the above step to make sure the vehicle is in sleep mode. Use the scan tool to clear the DTCs.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for Control Module replacement, programming and setup

Chassis Control Module Programming and Setup

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

To program a replacement or an existing control module, perform the following procedure

Install EL-49642 SPS Programming Support Tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K38 Chassis Control Module - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for Control Module replacement, programming and setup

Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6T70 (M7U, M7W))

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the control module is not properly configured with the correct calibration software, the control module will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or control module damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. When required, install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

To program a replacement transmission control module (TCM), perform the following procedure

Install EL-49642 SPS Programming Support Tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Transmission Control Module - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
With a scan tool, perform the Reset Transmission Adapts. Refer to «Reset Transmission Adapts»(/buick/lacrosse/ii-2013-2016/remont/automatic-trans/#automatic-transmission-6t70-m7u-m7w-diagnostic-information-and-procedures__reset-transmission-adapts) .

To reprogram an existing TCM, perform the following procedure

Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Transmission Control Module - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
With a scan tool, perform the Reset Transmission Adapts. Refer to «Reset Transmission Adapts»(/buick/lacrosse/ii-2013-2016/remont/automatic-trans/#automatic-transmission-6t70-m7u-m7w-diagnostic-information-and-procedures__reset-transmission-adapts) .

In the event of an interrupted or unsuccessful programming event, perform the following

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Refer to Control Module References for control module replacement, programming, and setup.

Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6T40 (MHH))

The following service procedures require either a programming or a setup event be performed for a complete repair. The transmission control module (TCM) is part of the control solenoid valve assembly, and is not serviced separately.

Transmission Control Module (TCM) Replacement

If the TCM is replaced, the following procedures must be performed

TCM Reprogramming
The Transmission Adaptive Values Learn. Refer to «Transmission Adaptive Values Learn»(/buick/lacrosse/ii-2013-2016/remont/automatic-trans/#automatic-transmission-6t40-mhh-diagnostic-information-and-procedures__transmission-adaptive-values-learn) .

TCM Reprogramming

If the TCM needs to be reprogrammed. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the Transmission Adaptive Values Learn. Refer to «Transmission Adaptive Values Learn»(/buick/lacrosse/ii-2013-2016/remont/automatic-trans/#automatic-transmission-6t40-mhh-diagnostic-information-and-procedures__transmission-adaptive-values-learn) .

Turn the ignition OFF for 30 seconds.
Turn the ignition ON with the engine OFF.
Use the scan tool in order to retrieve history DTCs from all modules.
Clear all history DTCs.

Setup for Component Replacement

The replacement of some components will require a setup procedure for complete repair.

If any of the following components are replaced, the Transmission Adaptive Values Learn procedure must be performed

Transmission replacement
Any internal transmission repair
Any speed sensor

Refer to Transmission Adaptive Values Learn .

Distance Sensing Cruise Control Module Programming and Setup

The following service procedures require either a programming or a setup event performed for a complete repair.

Cruise Control Vehicle Distance Sensor Module Replacement

If the cruise control vehicle distance sensor module needs to be replaced, the following procedures must be performed

Align the Cruise Control Vehicle Distance Sensor Module. Refer to «Forward Range Radar Module Alignment»(/buick/lacrosse/ii-2013-2016/remont/collisionavoidance/#object-detection-system-and-pedestrian-protection-system__forward-range-radar-module-alignment)
Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Distance Sensing Cruise Control Module - Programming and follow the on-screen instructions.
Perform the SPS function Distance Sensing Cruise Control Module - Configuration & Setup and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

Cruise Control Vehicle Distance Sensor Module Reprogramming

Do not reprogram the cruise control vehicle distance sensor module, unless directed by a service procedure, or a service bulletin.

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Distance Sensing Cruise Control Module - Programming and follow the on-screen instructions.
Perform the SPS function Distance Sensing Cruise Control Module - Configuration & Setup and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

Setup for Bracket Replacement

Align the Cruise Control Vehicle Distance Sensor Module. Refer to «Forward Range Radar Module Alignment»(/buick/lacrosse/ii-2013-2016/remont/collisionavoidance/#object-detection-system-and-pedestrian-protection-system__forward-range-radar-module-alignment) .
Perform the Distance Sensing Cruise Control Service Alignment learn procedure with scan tool.

Electronic Brake Control Module Programming and Setup

To program a replacement or an existing control module, perform the following procedure

Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K17 Electronic Brake Control Module - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K17 Electronic Brake Control Module - Setup and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K17 Electronic Brake Control Module - Configuration and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
With a scan tool, perform the Brake Pressure Sensor Calibration. Refer to «Brake Pressure Modulator Valve Pressure Sensor Calibration»(/buick/lacrosse/ii-2013-2016/remont/anti-locktraction-control/#antilock-brake-system__brake-pressure-modulator-valve-pressure-sensor) .
With a scan tool, perform the Steering Wheel Angle Sensor Learn. Refer to «Steering Angle Sensor Centering»(/buick/lacrosse/ii-2013-2016/remont/anti-locktraction-control/#antilock-brake-system__steering-angle-sensor-centering) .

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for Control Module replacement, programming and setup

Electronic Parking Brake Control Module Programming and Setup

If the electronic parking brake control module is replaced, the following procedures must be performed

Refer to Service Programming System (SPS) .

Calibration with Scan Tool

Note. Verify the rear brakes are clear of any obstacles before starting the calibration procedure. During the procedure the rear brakes will cycle several times, stay clear of all moving parts until the process is complete.

Perform the Parking Brake Calibration procedure in Module Setup.

Calibration without Scan Tool

Ignition ON, apply and hold the brake pedal.
Push and hold the electric parking brake switch down for 5-6 seconds.
Release the electric parking brake switch.
Momentarily push the electric parking brake switch down.
Remove the EPB MODULE fuse and reinstall.
Apply the electric parking brake.
Release the electric parking brake.

Electronic Suspension Control Module Programming and Setup

The following service procedures require either a programming or a setup event performed for a complete repair.

Electronic Suspension Control Module Replacement

If the electronic suspension control module or any of the suspension position sensors need to be replaced, the following procedures must be performed

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Electronic Suspension Control Module - Programming and follow the on-screen instructions.
Perform the SPS function Electronic Suspension Control Module - Configuration & Setup and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

Electronic Suspension Control Module Reprogramming

If the electronic suspension control module needs to be reprogrammed, the following procedures must be performed

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Electronic Suspension Control Module - Programming and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

K20 Engine Control Module: Programming and Setup

The following service procedures require either a programming or a setup event performed for a complete repair.

Before Programming The Engine Control Module

Note. DO NOT program a control module unless you are directed by a service procedure or you are directed by a service bulletin. Programming a control module at any other time will not permanently correct a customer's concern.

The following criteria must be met before performing the programming or learning procedure

There are no charging system concerns. All charging system concerns must be repaired before programming a control module.
Battery voltage is between 12-16 V. The battery must be fully charged before programming the control module.
A battery charger is NOT connected to the vehicle battery. Incorrect system voltage or voltage fluctuations from a battery charger may affect programming or control module damage.
Note the engine oil life remaining percentage.
Turn OFF or disable any of the following systems that may put a load on the vehicle battery: Twilight sentinel Interior lights Daytime running lights HVAC systems Radio Engine cooling fans, etc
The ignition switch is in the proper position. The scan tool prompts you to turn ON the ignition, with the engine OFF. DO NOT change the position of the ignition switch during the programming procedure, unless instructed to do so.
All of the following tool connections are secure: The connection at the data link connector (DLC) The voltage supply circuits

DO NOT disturb the tool harnesses while programming. If an interruption occurs during the programming procedure, the control module programming may be affected or control module damage may occur.

If the engine control module (ECM) is replaced, the following procedures must be performed

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Before removing the old control module, perform the SPS function Prepare Control Module for Removal, if available. NOTE: The Prepare Control Module for Removal function can only be performed when communication with the old control module is still possible.
Replace the ECM.
Perform the SPS function Engine Control Module - Programming and follow the on-screen instructions.
Clear the DTCs after completing the Programming procedure.
Perform the SPS function Immobilizer Learn and follow the on-screen instructions. Refer to «Immobilizer System Component Programming (with BTM)»(/buick/lacrosse/ii-2013-2016/remont/door-locks-anti-theft-systems/#immobilizer-system) , «Immobilizer System Component Programming (without BTM)»(/buick/lacrosse/ii-2013-2016/remont/door-locks-anti-theft-systems/#immobilizer-system) .
Perform the SPS function Engine Control Module - Configuration & Setup and follow the on-screen instructions.
Clear DTCs after completing the Configuration & Setup procedure.

To reprogram an existing ECM, perform the following procedure

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Engine Control Module - Programming and follow the on-screen instructions.
Clear DTCs after completing the Programming procedure.
Perform the SPS Function Immobilizer Learn and follow the on-screen instructions. Refer to «Immobilizer System Component Programming (with BTM)»(/buick/lacrosse/ii-2013-2016/remont/door-locks-anti-theft-systems/#immobilizer-system) , «Immobilizer System Component Programming (without BTM)»(/buick/lacrosse/ii-2013-2016/remont/door-locks-anti-theft-systems/#immobilizer-system) .
Perform the SPS function Engine Control Module - Configuration & Setup and follow the on-screen instructions, if available.
Clear DTCs after completing the Configuration & Setup procedure.

In the event of an interrupted or unsuccessful programming event, perform the following

Ignition ON. Ensure the control module, DLC, and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the K20 Engine Control Module. If the control module can be reprogrammed All OK. If the control module can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for ECM replacement, programming and setup.

Front View Camera Module Replacement

If the Front View Camera Module needs to be replaced, the following procedures must be performed

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Front View Camera Module - Programming and follow the on-screen instructions.
Calibrate the module. Refer to «Front View Camera Module Calibration»(/buick/lacrosse/ii-2013-2016/remont/collisionavoidance/#object-detection-system-and-pedestrian-protection-system__front-view-camera-module-calibration) .
Clear DTCs after completing the programming procedure.

Front View Camera Module Reprogramming

Do not reprogram the Front View Camera Module, unless directed by a service procedure, or a service bulletin.

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Front View Camera Module - Programming and follow the on-screen instructions.
Calibrate the module. Refer to «Front View Camera Module Calibration»(/buick/lacrosse/ii-2013-2016/remont/collisionavoidance/#object-detection-system-and-pedestrian-protection-system__front-view-camera-module-calibration) .
Clear DTCs after completing the programming procedure.

Replace and Program ECU or Reprogram ECU

This ECU does not require SPS programming but does require the following setup procedures after a new ECU is installed

The customer must learn the device they wish to control. This must be done at the device (garage door opener, electric gate, etc.) and cannot be performed at a dealership. Refer to the vehicle owner's manual for programming instructions.

Generator Control Module Programming and Setup

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or ECU damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the EL-49642 SPS programming support tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

To program a replacement or an existing ECU, perform the following procedure

Install the EL-49642 SPS programming support tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Generator Control Module - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

DO NOT turn the ignition OFF. Ensure that all ECU, DLC and programming tool connections are secure and the TIS terminal operating software is up to date.
Attempt to reprogram the ECU.
If the ECU can still not be programmed, turn the ignition OFF for at least 1 minute.
Turn the ignition ON and attempt to reprogram the ECU. The ECU should program. If the ECU still cannot be programmed, replace the ECU.

Headlamp Control Module Programming and Setup

This control module does not require SPS programming but does require the following setup procedures after a new control module is installed

To program a replacement or an existing control module, perform the following procedure

Install a scan tool.
Clear all DTC's before proceeding.
Select Module Diagnostics.
Select Headlamp Control Module.
Select Configuration/Reset Functions.
Select Headlamp Leveling Sensor Learn and follow the on-screen instructions.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for Control Module replacement, programming and setup

Heated Seat Control Module Programming and Setup

The seat heating control module must be programmed with the proper calibration software. The module stores and utilizes this information however if it is not properly configured with the correct calibration software, the seat heating control module will not control all of the vehicle features properly.

Ensure that the following conditions exist in order to prepare for seat heating control module programming

The battery is fully charged.
The MDI data link connectors are secure.
The scan tool is loaded with the most current software version.
All disconnected modules and devices are reconnected securely.
This entire procedure has been reviewed before proceeding.

Do not reprogram the seat heating control module unless directed by a service procedure or a service bulletin.

Seat Heating Control Module Programming

To program and setup an existing or new replacement seat heating control module, perform the following procedure

Access the Service Programming System (SPS) and follow the on-screen instructions. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
On the SPS Supported Controllers screen, select HVSMF Front Seat Heating Control Module - Programming and follow the on-screen instructions.

If the HVSMF Front Seat Heating Control Module fails to accept the program, verify all scan tool and seat heating control module connections are secure.

Note. After programming is completed, perform the following to avoid future misdiagnosis: Turn the ignition OFF for 10 seconds. Open and close the door. Connect the scan tool to the data link connector. Ignition ON, engine OFF. Clear all DTCs from all modules.

Human Machine Interface Control Module Programming and Setup

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the control module is not properly configured with the correct calibration software, the control module will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or control module damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

During programming you may be required to select multiple calibrations dependent upon vehicle equipment. Have the vehicle build/RPO information available during the following procedure to ensure the correct calibrations are selected.
dependent upon the current software level of the module, or the release of updates, USB programming may not be required when replacing/reprogramming the control module. If USB files for the application are not available via SPS, or have not been received from General Motors in another manner of distribution, the USB update process will not need to be performed.

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

To program a replacement control module, perform the following procedure

Install the EL-49642 SPS Programming Support Tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K74 Human Machine Interface Control Module - Programming and follow the on-screen instructions.
Connect a USB drive to the computer.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K74 Human Machine Interface Control Module - USB File Transfer. NOTE: All existing files on the USB drive will be erased when the new files are copied.
Upon completion of the file transfer, remove the USB drive from the computer.
Ignition ON, infotainment system ON.
Connect the USB drive to the USB port in the vehicle.
The infotainment system will recognize that update files are available. Follow the infotainment display on-screen instructions and select Update when prompted. Programming will take several minutes.
Upon completion of programming, remove the USB drive. Follow the infotainment display on-screen instructions.
At the end of programming, choose the "Clear DTCs" function on the SPS screen.
Ignition OFF, Retained Accessory Power (RAP) OFF, remove the key fob from range of the vehicle, and let the vehicle sit for five minutes. Retest system operation to verify the repair.

To program an existing control module, perform the following procedure

Install the EL-49642 SPS Programming Support Tool.
Connect a USB drive to the computer.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K74 Human Machine Interface Control Module - USB File Transfer. NOTE: If there are no files available for USB transfer via SPS, proceed to step 10. All existing files on the USB drive will be erased when the new files are copied.
Upon completion of the file transfer, remove the USB drive from the computer.
Ignition ON, infotainment system ON.
Connect the USB drive to the USB port in the vehicle.
The infotainment system will recognize that update files are available. Follow the infotainment display on-screen instructions and select Update when prompted. Programming will take several minutes.
Upon completion of programming, remove the USB drive. Follow the infotainment display on-screen instructions.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K74 Human Machine Interface Control Module - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear DTCs" function on the SPS screen.
Ignition OFF, Retained Accessory Power (RAP) OFF, remove the key fob from range of the vehicle, and let the vehicle sit for five minutes. Retest system operation to verify the repair.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

HVAC System Control Module Programming and Setup

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

To program a replacement or an existing control module, perform the following procedure

Install EL-49642 SPS Programming Support Tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select HVAC Control Module - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select HVAC Control Module - Setup and follow the on-screen instructions.
On the SPS Supported Controllers screen, select HVAC Control Module - Configuration and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
With a scan tool, perform the Actuator Recalibration Function. Refer to «Actuator Recalibration»(/buick/lacrosse/ii-2013-2016/remont/automatic-hvac-system/#hvac-system-automatic) .

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for Control Module replacement, programming and setup

This ECU does not require SPS programming or any setup procedures.

Inflatable Restraint Sensing and Diagnostic Module Programming and Setup

The inflatable restraint sensing and diagnostic module (SDM) must be programmed with the proper calibration software. The module stores and utilizes this information however if it is not properly configured with the correct calibration software, the SDM will not control all of the vehicle features properly.

Ensure that the following conditions exist in order to prepare for SDM programming

The battery is fully charged.
The MDI data link connectors are secure.
The scan tool is loaded with the most current software version.
All disconnected modules and devices are reconnected securely.
This entire procedure has been reviewed before proceeding.

Do not reprogram the SDM unless directed by a service procedure or a service bulletin.

Note. The air bag indicator light may remain ON after the body control module (BCM), or SDM is replaced, and during the programming procedure for the BCM until after the procedure is completed. When installing a new SDM, there may be several DTCs set prior to programming. Once programmed, these DTCs should be in history and can be cleared. Failure to complete the following Setup procedure may cause DTC B1001 to be set in the SDM.

The following service procedures require either a programming or a setup event performed for a complete repair

Sensing and Diagnostic Module Replacement and/or Programming

If the inflatable restraint sensing and diagnostic module needs to be replaced and/or reprogrammed, the following procedures must be performed

Access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Inflatable Restraint Sensing and Diagnostic Module Programming and follow the on-screen instructions.
Perform the SPS function Inflatable Restraint Sensing and Diagnostic Module Setup and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

If the control module fails to program, proceed as follows

Ensure the DLC and Accessory Power Module connections are good.
Inspect the Techline equipment for the latest software version.
Attempt to program the SDM. If the SDM still cannot be programmed properly, replace the SDM.

Instrument Cluster Programming and Setup

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or ECU damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the EL-49642 SPS programming support tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

The programming steps in the Service Programming System (SPS) screens may not be in functional order. Be sure to follow the programming steps in the order listed below.

Replace and Program ECU

To program a replacement or an existing ECU, perform the following procedure

Install EL-49642 SPS programming support tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Instrument Cluster - USB File Transfer and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Instrument Cluster - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Instrument Cluster - Setup and Configuration and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

Reprogram ECU

To program a replacement or an existing ECU, perform the following procedure

Install EL-49642 SPS programming support tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Instrument Cluster - USB File Transfer and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Instrument Cluster - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Instrument Cluster - Setup and Configuration and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

DO NOT turn the ignition OFF. Ensure that all ECU, DLC and programming tool connections are secure and the TIS terminal operating software is up to date.
Attempt to reprogram the ECU.
If the ECU can still not be programmed, turn the ignition OFF for at least one minute.
Turn the ignition ON and attempt to reprogram the ECU. The ECU should program. If the ECU still cannot be programmed, replace the ECU.

Keyless Entry Control Module Programming and Setup

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or ECU damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the EL-49642 SPS programming support tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

To program a replacement or an existing ECU, perform the following procedure

Install EL-49642 SPS programming support tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Keyless Entry Control Module - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

DO NOT turn the ignition OFF. Ensure that all ECU, DLC and programming tool connections are secure and the TIS terminal operating software is up to date.
Attempt to reprogram the ECU.
If the ECU can still not be programmed, turn the ignition OFF for at least one minute.
Turn the ignition ON and attempt to reprogram the ECU. The ECU should program. If the ECU still cannot be programmed, replace the ECU.

Memory Seat Control Module Programming and Setup

The seat memory control module must be programmed with the proper calibration software. The module stores and utilizes this information however if it is not properly configured with the correct calibration software, the seat memory control module will not control all of the vehicle features properly.

Ensure that the following conditions exist in order to prepare for seat memory control module programming

The battery is fully charged.
The MDI data link connectors are secure.
The scan tool is loaded with the most current software version.
All disconnected modules and devices are reconnected securely.
This entire procedure has been reviewed before proceeding.

Do not reprogram the seat memory control module unless directed by a service procedure or a service bulletin.

Seat Memory Control Module Programming

To program and setup an existing or new replacement seat memory control module, perform the following procedure

With a scan tool, access the Service Programming System (SPS) and follow the on-screen instructions. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
On the SPS Supported Controllers screen, select MSM Memory Seat Control Module - Programming and follow the on-screen instructions.

If the MSM Memory Seat Module fails to accept the program, verify all scan tool and seat memory control module connections are secure.

Object Alarm Module Programming and Setup

The following service procedures require either a programming or a setup event performed for a complete repair.

Parking Assist Control Module Replacement

If the parking assist control module needs to be replaced, the following procedures must be performed

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps)
Perform the SPS function Parking Assist Control Module Programming and follow the on-screen instructions.
Perform the SPS function Parking Assist Control Module Configuration & Setup and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

Parking Assist Control Module Reprogramming

Do not reprogram the parking assist control module, unless directed by a service procedure, or a service bulletin.

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps)
Perform the SPS function Parking Assist Control Module Programming and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

Media Disc Player Programming and Setup

During programming you may be required to select multiple calibrations dependent upon vehicle equipment. Have the vehicle build/RPO information available during the following procedure to ensure the correct calibrations are selected.
dependent upon the current software level of the module, or the release of updates, USB programming may not be required when replacing/reprogramming the control module. If USB files for the application are not available via SPS, or have not been received from General Motors in another manner of distribution, the USB update process will not need to be performed.

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

To program a replacement or an existing control module, perform the following procedure

Without Rear Seat Video Entertainment System

This control module does not require SPS programming or any setup procedures.

With Rear Seat Video Entertainment System

Install the EL-49642 SPS Programming Support Tool.
Connect a USB drive to the computer.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Media Disc Player - USB File Transfer and follow the on-screen instructions.
Upon completion of the file transfer, remove the USB drive from the computer.
Ignition ON, infotainment system ON.
Connect the USB drive to the USB port in the vehicle.
The infotainment system will recognize that update files are available. Follow the infotainment display on-screen instructions and select Update when prompted. Programming will take several minutes.
Upon completion of programming, remove the USB drive. Follow the infotainment display on-screen instructions.
On the SPS Supported Controllers screen, select Media Disc Player - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Power Steering Control Module Programming and Setup (NJ1)

The following service procedures require either a programming or a setup event performed for a complete repair.

The electronic power steering control module is part of the power steering assist motor assembly and is electronically paired with the steering gear's sensors.

If the complete steering gear INCLUDING the assist motor assembly was replaced, or for reprogramming of an existing power steering system WITHOUT replacement, refer to the POWER STEERING CONTROL MODULE REPROGRAMMING instructions in this article.
If ONLY the Power Steering Assist Motor assembly is replaced, follow the POWER STEERING CONTROL MODULE REPLACEMENT instructions.

Note. During the procedures listed below, critical data is retrieved from vehicle components and stored in the scan tool computer's hard drive. This data is needed during the programming and setup sequences. Ensure the same scan tool is used and capable of reading, storing, and writing the vehicle's system data.

Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Electronic Power Steering - Prepare Control Module for Removal and follow the on-screen instructions.
Replace the Power Steering Assist Motor containing the Power Steering Control Module. Refer to «Power Steering Assist Motor Replacement (NJ1)»(/buick/lacrosse/ii-2013-2016/remont/manual-power-steering/#power-steering-system) , «Power Steering Assist Motor Replacement (NJ2)»(/buick/lacrosse/ii-2013-2016/remont/manual-power-steering/#power-steering-system) .
With the Power Steering Assist Motor replaced and reconnected, on the SPS Supported Controllers screen, select Electronic Power Steering - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Electronic Power Steering - Configuration and follow the on-screen instructions.
Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
Ignition ON.
On the SPS Supported Controllers screen, select Electronic Power Steering - Setup and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Electronic Power Steering - Endstop Learning procedure. Refer to «Power Steering Control Module Calibration (NJ1)»(/buick/lacrosse/ii-2013-2016/remont/manual-power-steering/#power-steering-system)
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

Power Steering Control Module Reprogramming

Do not program or reprogram the electronic power steering control module unless directed by a service procedure or a service bulletin.

Note. This procedure applies to reprogramming of the existing steering gear or the initial programming if the complete steering gear assembly including the assist motor was replaced. If only the power steering control module is replaced, follow the Power Steering Control Module Replacement instructions above.

Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Electronic Power Steering - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Electronic Power Steering - Configuration and follow the on-screen instructions.
Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
Ignition ON.
On the SPS Supported Controllers screen, select Electronic Power Steering - Setup and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Electronic Power Steering - Endstop Learning procedure. Refer to «Power Steering Control Module Calibration (NJ1)»(/buick/lacrosse/ii-2013-2016/remont/manual-power-steering/#power-steering-system)
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

Steering Angle Sensor Centering and Software Endstop Learning

For the steering angle sensor centering and software endstop learning, refer to Power Steering Control Module Calibration (NJ1) .

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Power Steering Control Module Programming and Setup (NJ2)

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

Replace and Program Control Module or Reprogram ECU

To program a replacement power steering control module or reprogram a power steering control module, perform the following procedure

Install EL-49642 SPS programming support tool.
Ignition ON.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Power Steering Control Module - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for control module replacement, programming and setup

Power Steering Control Module Programming and Setup (NV7)

The following service procedures require either a programming or a setup event performed for a complete repair.

Power Steering Control Module Replacement

If the variable effort steering control module needs to be replaced, the following procedures must be performed

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Power Steering Control Module - Programming and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

Do not reprogram the variable effort steering control module unless directed by a service procedure or a service bulletin.

Connect a scan tool to the vehicle and access SPS. Refer to «Service Programming System (SPS)»(/buick/lacrosse/ii-2013-2016/remont/communication-devices/#programming-and-setup-all-systems__service-programming-system-sps) .
Perform the SPS function Power Steering Control Module - Programming and follow the on-screen instructions.
Clear DTCs after completing the programming procedure.

Radio Control Programming and Setup

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

Replace Control Module

The replacement control module is fully programmed by the supplier and does not require SPS programming or any setup procedures.

To reprogram an existing control module, perform the following procedure

Install EL-49642 SPS Programming Support Tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select A22 Radio Controls - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for control module replacement, programming and setup

Radio Programming and Setup

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or ECU damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

During radio programming you may be required to select multiple calibrations dependent upon vehicle equipment. Have the vehicle build/RPO information available during the following procedure to ensure the correct calibrations are selected.
The XM satellite radio (if equipped) is integrated into the radio. If XM was activated in the previous radio, the replacement radio will require no additional activation steps. Customer subscription information is transferred to the replacement radio when a replacement radio is ordered.

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

To program a replacement or an existing control module, perform the following procedure

Install EL-49642 SPS Programming Support Tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select A11 Radio - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the control module can be reprogrammed. If the control module cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the control module can be reprogrammed. If the control module cannot be reprogrammed, replace the control module. If the control module can be reprogrammed. All OK. If the control module can be reprogrammed
All OK.

Valet Mode Reset

Verify no DTCs are set. If any DTCs are set Refer to «Diagnostic Trouble Code (DTC) List - Vehicle»(/buick/lacrosse/ii-2013-2016/remont/oem-general-information/#vehicle-diagnostic-information-diagnostic-information-and-procedures__diagnostic-trouble-code-dtc-list) . If no DTCs are set
Select the Radio control function Erase Valet Mode Code with the scan tool.
Select Clear and confirm the selection to erase the code.

Rear Differential Clutch Control Module Programming and Setup

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

Note. DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or ECU damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the EL-49642 SPS programming support tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

To program a replacement or an existing ECU, perform the following procedure

Install EL-49642 SPS programming support tool .
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Rear Differential Clutch Control Module- Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Rear Differential Clutch Control Module- Configuration and follow the on-screen instructions.
On the SPS Supported Controllers screen, select Rear Differential Clutch Control Module- Setup and follow the on-screen instructions (only required if programming a new replacement module).
At the end of programming, choose the "Clear DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

DO NOT turn the ignition OFF. Ensure that all ECU, DLC and programming tool connections are secure and the TIS terminal operating software is up to date.
Attempt to reprogram the ECU.
If the ECU can still not be programmed, turn the ignition OFF for at least one minute.
Turn the ignition ON and attempt to reprogram the ECU. The ECU should program. If the ECU still cannot be programmed, replace the ECU.

The remote control door lock receiver only functions as an antenna, receiving the signals sent by the keyless entry transmitter and forwarding them to the body control module (BCM). The keyless entry software is contained wholly within the BCM.

This ECU does not require SPS programming or any setup procedures.

Service Programming System (SPS)

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

For step-by-step control module programming instructions, please refer to the techline information system (TIS) terminal.

Review the information below to ensure proper programming protocol.

Note. DO NOT program a control module unless you are directed by a service procedure or you are directed by a General Motors service bulletin. Programming a control module at any other time will not permanently correct a customers concern. It is essential that the TIS terminal, MDI, and/or Scan Tool, is equipped with the latest software before performing service programming. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. When required, install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Some modules will require additional programming/setup events to be performed before or after programming. Some vehicles may require the use of a CANDi or MDI module for programming. Review the appropriate service information for these procedures. DTCs may set during programming. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

Ensure the following conditions are met before programming a control module

Vehicle system voltage: There is not a charging system concern. All charging system concerns must be repaired before programming a control module. Battery voltage is greater than 12 volts but less than 16 volts. The battery must be fully charged before programming the control module. Turn OFF or disable any system that may put a load on the vehicles battery, such as the following components: Interior lights Exterior lights including daytime running lights (DRL)-Applying the parking brake, on most vehicles, disables the DRL system Heating, ventilation, and air conditioning (HVAC) systems Engine cooling fans Radio, etc.
The ignition switch must be in the proper position. SPS prompts you to turn ON the ignition, with the engine OFF. DO NOT change the position of the ignition switch during the programming procedure, unless instructed to do so.
Make certain all tool connections are secure, including the following components and circuits: Scan Tool The RS-232 communication cable port The connection at the data link connector (DLC) The voltage supply circuits MDI The USB, Ethernet or Wireless communication port The connection at the data link connector (DLC)
DO NOT disturb the tool harnesses while programming. If an interruption occurs during the programming procedure, programming failure or control module damage may occur.

In the event of an interrupted or unsuccessful programming event, perform the following steps

DO NOT turn the ignition OFF. Ensure that all control module and DLC connections are secure and the TIS terminal operating software is up to date.
Attempt to reprogram the control module.
If the control module can still not be programmed, turn the ignition OFF for at least one minute.
Turn the ignition ON and attempt to reprogram the control module. The control module should program. If the control module still cannot be programmed, replace the control module.

After successfully programming the control module, ensure that all post programming procedures are performed; refer to Control Module References for the appropriate control module Programming and Setup document for any required procedures.

Side Object Sensor Programming and Setup

Note. DO NOT program a side object sensor - left unless directed to by a service procedure or a service bulletin. If the side object sensor - left is not properly configured with the correct calibration software, the side object sensor - left will not control all of the vehicle features properly. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or side object sensor - left damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. When required install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. During the programming procedure, follow the SPS prompts for the correct ignition switch position. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO.

The B218R Side Object Sensor Module - Right is not programmable separately. This module is programmed by B218L Side Object Sensor Module - Left after it has been programmed. If a right side module is replaced, follow this procedure to update the module.

Special Tools

EL-49642 SPS Programming Support Tool

To program a replacement or an existing B218L Side Object Sensor Module - Left, perform the following procedure

Install EL-49642 SPS Programming Support Tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select B218L Side Object Sensor Module - Left - Programming and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

In the event of an interrupted or unsuccessful programming event, perform the following steps

Ignition ON. Ensure the B218L Side Object Sensor Module - Left, DLC and programming tool connections are secure and the SPS software is up to date.
Verify the B218L Side Object Sensor Module - Left can be reprogrammed. If the B218L Side Object Sensor Module - Left cannot be reprogrammed Ignition OFF for one minute, ignition ON. Verify the B218L Side Object Sensor Module - Left can be reprogrammed. If the B218L Side Object Sensor Module - Left cannot be reprogrammed, replace the B218L Side Object Sensor Module - Left. If the B218L Side Object Sensor Module - Left can be reprogrammed. All OK. If the B218L Side Object Sensor Module - Left can be reprogrammed
All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for side object sensor module - left replacement, programming and setup.

Steering Wheel Heat Control Module Programming and Setup

This device requires no programming or setup.

Sunroof Control Module Programming and Setup

When replacing the sunroof motor/control module, the sunroof motor/actuator initialization/teach procedure must be followed.

Existing or New Motor

For the sunroof motor/actuator initialization/teach procedure refer to Sunroof Motor/Actuator Initialization/Teach Process .

Special Tools

EL-49642 SPS Programming Support Tool

For equivalent regional tools, refer to Special Tools .

Each of the following service procedures require programming or setup procedures to be performed on the telematics communication interface control module.

Communication Interface Module Replacement

Note. It is critical to use the service replacement telematics communication interface control module only in the vehicle for which it was ordered. Failure to perform the following procedures will result in a red LED, DTC(s) being set, and limited or incomplete OnStar® services. An OnStar® button press to the OnStar® call center is not required to complete the procedure. It may take up to 24 hours for OnStar® service to become fully activated after performing the procedures. Perform the following procedure only once. Repeat attempts of the procedure may result in a delay of the activation process. To fully activate an OnStar® module, both the setup and activation request procedures must be completed on all vehicles with and without an active OnStar® subscription to insure the unit has been setup properly for the vehicle it has been installed into and also to update the OnStar® with the correct unit information. To initialize the Turn-by-Turn feature, the vehicle must first be driven In open sky condition at speeds greater than 10 mph (16 kph) or more for a minimum of 5 miles (8 km) , and perform at least 2 left and 2 right 90 degree turns coming to complete stops prior to each turn. On vehicles up fitted with TTY capabilities, it is necessary to perform a power cycle of the OnStar® Interface Module (OTIM), and toggle the TTY mode after completing the telematics communication interface control module installation and setup procedures.

Install EL-49642 SPS programming support tool .
Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select ONSU Onstar® Module Setup and Service Activation and follow the on-screen instructions.
At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
The default language for the new telematics communication interface control module is English. To change to an alternate language, access the scan tool.
Inform the customer that it may take up to 24 hours for the OnStar® service to become fully activated.

This ECU does not require SPS programming or any setup procedures.

Illustration Tool Number/ Description EL 46079 J 46079 Tire Pressure Monitor Diagnostic Tool EL 49642 EL 50113 Europe- Use recommended equivalent workshop equipment SPS Programming Support Tool

Scheme 1

Scheme 1: Special Tools

Scheme 2

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Scheme 1

Scheme 2

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