Module Communications Network: Diagnosis Ford Explorer V

Symptom Chart: Communication Network

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information regarding Ford-specific diagnostic practices.

SYMPTOM CHART

The Powertrain Control Module (PCM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - ELECTRONIC ENGINE CONTROLS - 2.0L GTDI for schematic and connector information.

Refer to the OEM Wiring Diagrams - ELECTRONIC ENGINE CONTROLS - 3.5L TIVCT for schematic and connector information.

The Anti-Lock Brake System (ABS) Module Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to OEM Wiring Diagrams - VEHICLE DYNAMIC SYSTEMS for schematic and connector information.

Visual Inspection and Diagnostic Pre-checks

Verify BJB fuses 43 (40A) and 92 (10A) are OK.

Scheme 39

Scheme 40

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Scheme 43

1. CHECK THE ABS MODULE VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: ABS Module. Ignition ON. Measure: ABS Module Ground C135 Ground Pin Circuit Measurement Pin Circuit 8 CBB92 (GN/WH) - - 32 SBB43 (BU/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BJB fuses 43 (40A) and 92 (10A) are OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE ABS MODULE GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure: ABS Module Ground C135 Ground Pin Circuit Measurement Pin Circuit 16 GD120 (BK/GN) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit. CONNECT the negative battery cable.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE ABS MODULE AND THE DLC FOR AN OPEN Measure: ABS Module DLC C135 C251 Pin Circuit Measurement Pin Circuit 12 VDB04 (WH/BU) 6 VDB04 (WH/BU) 13 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: CONNECT the negative battery cable. GO to 4 . No: REPAIR the circuit in question. CONNECT the negative battery cable.
4. CHECK FOR CORRECT ABS MODULE OPERATION Ignition OFF. Disconnect and inspect the ABS module connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the ABS module connector. Make sure it seats and latches correctly. Operate the system and determine the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new ABS module. REFER to «ANTI-LOCK BRAKE SYSTEM (ABS) MODULE»(ref-517557-S32788947712012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

The Restraints Control Module (RCM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - SUPPLEMENTAL RESTRAINT SYSTEM for schematic and connector information.

Verify BCM fuse 37 (10A) is OK.

Scheme 44

Scheme 45

1. CHECK THE RCM CONNECTION Ignition OFF. Depower the SRS system: REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITH INTELLIGENT ACCESS (IA)»(ref-517622-S36473711872012121200000) , or REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITHOUT INTELLIGENT ACCESS (IA)»(ref-517622-S38356514382012121200000) . Disconnect: RCM C310A. Disconnect: RCM C310B. Are RCM C310A pin 13 and RCM C310B pins 9 and 10 OK? Yes: GO to 2 . No: INSTALL a new wiring harness. REPOWER the SRS: REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITH INTELLIGENT ACCESS (IA)»(ref-517622-S36473711872012121200000) , or REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITHOUT INTELLIGENT ACCESS (IA)»(ref-517622-S38356514382012121200000) .
2. CHECK THE RCM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Repower the SRS system: REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITH INTELLIGENT ACCESS (IA)»(ref-517622-S36473711872012121200000) , or REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITHOUT INTELLIGENT ACCESS (IA)»(ref-517622-S38356514382012121200000) . Ignition ON. Measure: RCM Ground C310A Ground Pin Circuit Measurement Pin Circuit 13 CBP37 (WH) - - Is the voltage greater than 11 volts? Yes: GO to 3 . No: VERIFY the BCM fuse 37 (10A) is OK. If OK, REPAIR the circuit. Refer to «OEM CONNECTOR REPAIR PROCEDURES»(ref-485833) for connector information. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
3. CHECK THE RCM CASE GROUND Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between the RCM case and a good chassis ground. Is the resistance less than 3 ohms? Yes: GO to 4 . No: REPAIR the RCM case ground as necessary. CONNECT the negative battery cable.
4. CHECK THE HS-CAN CIRCUITS BETWEEN THE RCM AND THE DLC FOR AN OPEN Depower the SRS: REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITH INTELLIGENT ACCESS (IA)»(ref-517622-S36473711872012121200000) , or REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITHOUT INTELLIGENT ACCESS (IA)»(ref-517622-S38356514382012121200000) . Measure: RCM DLC C310B C251 Pin Circuit Measurement Pin Circuit 10 VDB04 (WH/BU) 6 VDB04 (WH/BU) 9 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: CONNECT the negative battery cable. GO to 5 . No: REPAIR the circuit in question. CONNECT the negative battery cable.
5. CHECK FOR CORRECT RCM OPERATION Ignition OFF. Disconnect and inspect all RCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Refer to «OEM CONNECTOR REPAIR PROCEDURES»(ref-485833) for connector information. Reconnect the RCM connectors. Make sure they seat and latch correctly. Repower the SRS: REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITH INTELLIGENT ACCESS (IA)»(ref-517622-S36473711872012121200000) , or REFER to «SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITHOUT INTELLIGENT ACCESS (IA)»(ref-517622-S38356514382012121200000) . Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new RCM. REFER to «RESTRAINTS CONTROL MODULE (RCM)»(ref-517622-S32839388482012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

The Front Control Display Interface Module (FCDIM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - AUDIO SYSTEM-NAVIGATION for schematic and connector information.

Verify BCM fuse 9 (10A) is OK.

Scheme 46

Scheme 47

1. CHECK THE FCDIM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: FCDIM . Ignition ON. Measure: FCDIM Ground C2123 Ground Pin Circuit Measurement Pin Circuit 1 SBP09 (RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 9 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE FCDIM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure: FCDIM Ground C2123 Ground Pin Circuit Measurement Pin Circuit 9 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit. CONNECT the negative battery cable.
3. CHECK THE I-CAN CIRCUITS BETWEEN THE FCDIM AND THE IPC FOR AN OPEN Disconnect: IPC. Measure: FCDIM IPC C2123 C220 Pin Circuit Measurement Pin Circuit 4 VDB13 (BU/GY) 25 VDB13 (BU/GY) 5 VDB14 (VT/GY) 26 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes: CONNECT the negative battery cable. GO to 4 . No: REPAIR the circuit in question. CONNECT the negative battery cable.
4. CHECK FOR CORRECT FCDIM OPERATION Ignition OFF. Disconnect and inspect the FCDIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the FCDIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new FCDIM . REFER to «FRONT CONTROLS INTERFACE MODULE (FCIM)»(ref-538889-S40961126222013033000000) - (Premium). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Occupant Classification System Module (OCSM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - SUPPLEMENTAL RESTRAINT SYSTEM for schematic and connector information.

Verify BCM fuse 33 (10A) is OK.

Scheme 48

Scheme 49

1. CHECK THE OCSM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Wait one minute. Disconnect: OCSM. Ignition ON. Measure: OCSM Ground C3159 Ground Pin Circuit Measurement Pin Circuit 1 CBX02 (BN/RD) (with power seats) CBX02 (YE/BU) (without power seats) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 33 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE OCSM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: OCSM Ground C3159 Ground Pin Circuit Measurement Pin Circuit 4 GD901 (BK) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE OCSM AND THE DLC FOR AN OPEN Measure: OCSM DLC C3159 C251 Pin Circuit Measurement Pin Circuit 2 VDB04 (WH/BU) 6 VDB04 (WH/BU) 3 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: CONNECT the negative battery cable. GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT OCSM OPERATION Ignition OFF. Disconnect and inspect the OCSM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the OCSM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new OCS sensor. REFER to «OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSOR»(ref-517622-S40790485002012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

The Steering Column Control Module (SCCM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - CRUISE CONTROL for schematic and connector information.

Verify BCM fuse 23 (15A) is OK.

Scheme 50

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Scheme 53

1. CHECK THE SCCM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: SCCM C2414A. Ignition ON. Measure: SCCM Ground C2414A Ground Pin Circuit Measurement Pin Circuit 10 SBP23 (WH/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 23 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE SCCM GROUND CIRCUITS FOR AN OPEN Ignition OFF. Measure: SCCM Ground C2414A Ground Pin Circuit Measurement Pin Circuit 13 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE SCCM AND THE DLC FOR AN OPEN Measure: SCCM DLC C2414A C251 Pin Circuit Measurement Pin Circuit 14 VDB04 (WH/BU) 6 VDB04 (WH/BU) 15 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: CONNECT the negative battery cable. GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT SCCM OPERATION Ignition OFF. Disconnect and inspect the SCCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the SCCM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new SCCM. REFER to «STEERING COLUMN CONTROL MODULE (SCCM)»(ref-517559-S19442282422012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Instrument Panel Cluster (IPC) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to OEM Wiring Diagrams - VEHICLE DYNAMIC SYSTEMS for schematic and connector information.

Verify BCM fuse 11 (10A) is OK.

Scheme 54

Scheme 55

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Scheme 57

1. CHECK THE IPC VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Disconnect: IPC. Ignition ON. Measure: IPC Ground C220 Ground Pin Circuit Measurement Pin Circuit 21 SBP11 (BU/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 11 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE IPC GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure: IPC Ground C220 Ground Pin Circuit Measurement Pin Circuit 5 GD214 (BK/BU) - - Are the resistances less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE IPC AND THE DLC FOR AN OPEN Measure: IPC DLC C220 C251 Pin Circuit Measurement Pin Circuit 12 VDB04 (WH/BU) 6 VDB04 (WH/BU) 13 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT IPC OPERATION Ignition OFF. Disconnect and inspect the IPC connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the IPC connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new IPC. REFER to «INSTRUMENT PANEL CLUSTER (IPC)»(ref-517585-S03957025252012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Body Control Module (BCM) Does Not Respond To The Scan Tool

Refer to OEM Wiring Diagrams - FUSE AND RELAY INFORMATION for schematic and connector information.

Refer to OEM Wiring Diagrams - POWER DISTRIBUTION_BCM for schematic and connector information.

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Verify BCM fuse 18 (10A) is OK.

Scheme 58

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Scheme 67

1. CHECK POWER ON BOTH SIDES OF THE BCM POWER FUSE Ignition ON. Measure: BCM Ground Fuse 18 (10A) Ground Fuse side Circuit Measurement Pin Circuit Right - - - Left - - - Is the voltage greater than 11 volts on both sides of the fuse? Yes: GO to 2 . No: VERIFY the fuse 18 (10A) is OK. If OK, GO to 12 . If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE BCM GROUND CIRCUIT FOR AN OPEN Disconnect: BCM C2280D. Measure: BCM Ground C2280D Ground Pin Circuit Measurement Pin Circuit 25 GD133 (BK) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN TERMINATION RESISTANCE Ignition OFF. Disconnect: Negative Battery Cable. Disconnect the scan tool cable from the DLC. Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) 14 VDB05 (WH) Is the resistance between 54 and 66 ohms? Yes: GO to 4 . No: GO to 6 .
4. CHECK THE MS-CAN TERMINATION RESISTANCE Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance between 54 and 66 ohms? Yes: GO to 12 . No: GO to 5 .
5. CHECK THE MS-CAN TERMINATION RESISTANCE WITH THE HVAC MODULE DISCONNECTED Disconnect: HVAC module C228A. Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance between 108 and 132 ohms? Yes: REFER to «Diagnostic Routine J: The Heating Ventilation Air Conditioning (HVAC) Module Does Not Respond To The Scan Tool»(ref-517597-S11949325312012121200000) . No: GO to 6 .
6. CHECK THE MS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Disconnect: BCM C2280B. Measure: BCM DLC C2280B C251 Pin Circuit Measurement Pin Circuit 38 VDB06 (GY/OG) 3 VDB06 (GY/OG) 39 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 7 . No: REPAIR the circuit in question in question.
7. CHECK THE MS-CAN CIRCUITS FOR A SHORT TO POWER Connect: BCM C2280B. Ignition ON. Measure: DLC Ground C2280B Ground Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) - - 11 VDB07 (VT/OG) - - Is the voltage greater than 3 volts on either circuit? Yes: GO to 8 . No: REPAIR the circuit in question in question.
8. CHECK THE MS-CAN CIRCUITS FOR A SHORT TO GROUND Ignition OFF. Disconnect: Negative Battery Cable. Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) - - 11 VDB07 (VT/OG) - - Are the resistances greater than 10, 000 ohms? Yes: GO to 9 . No: REPAIR the circuit in question in question.
9. CHECK THE HS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Disconnect: BCM C2280F. Measure: BCM DLC C2280F C251 Pin Circuit Measurement Pin Circuit 16 VDB04 (WH/BU) 6 VDB04 (WH/BU) 17 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 10 . No: REPAIR the circuit in question.
10. CHECK THE HS-CAN CIRCUITS FOR A SHORT TO POWER Connect: BCM C2280F. Ignition ON. Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) - - 14 VDB05 (WH) - - Is the voltage greater than 3 volts on either circuit? Yes: REPAIR the circuit in question. No: GO to 11 .
11. CHECK THE HS-CAN CIRCUITS FOR A SHORT TO GROUND Disconnect: Negative Battery Cable. Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) - - 14 VDB05 (WH) - - Are the resistances greater than 10, 000 ohms? Yes: GO to 12 . No: REPAIR the circuit in question.
12. CHECK FOR CORRECT BCM OPERATION Ignition OFF. Disconnect and inspect the BCM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the BCM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new BCM: REFER to «BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA)»(ref-517607-S22029955872012121200000) , or REFER to «BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA)»(ref-517607-S10277508012012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Heating Ventilation Air Conditioning (HVAC) Module Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to Wiring Diagrams - MANUAL CLIMATE CONTROL SYSTEM for schematic and connector information.

Refer to Wiring Diagrams - AUTOMATIC CLIMATE CONTROL SYSTEM for schematic and connector information.

Verify BCM fuse 46 (10A) is OK.

Scheme 68

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Scheme 72

1. CHECK THE MS-CAN TERMINATION RESISTANCE Ignition OFF. Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance between 54 and 66 ohms? Yes: GO to 3 . No: GO to 2 .
2. CHECK THE MS-CAN TERMINATION RESISTANCE WITH THE HVAC MODULE DISCONNECTED Disconnect: HVAC Module C228A. Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance between 108 and 132 ohms? Yes: GO to 5 . No: REFER to «Diagnostic Routine I: The Body Control Module (BCM) Does Not Respond To The Scan Tool»(ref-517597-S36367030732012121200000) .
3. CHECK THE HVAC MODULE VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Disconnect: HVAC Module C228A. Ignition ON. Measure: HVAC Module Ground C228A Ground Pin Circuit Measurement Pin Circuit 26 SBP46 (BN/RD) - - Is the voltage greater than 11 volts? Yes: GO to 4 . No: VERIFY the BCM fuse 46 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
4. CHECK THE HVAC MODULE GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: HVAC module Ground C228A Ground Pin Circuit Measurement Pin Circuit 10 GD215 (BK/GY) - - Is the resistance less than 3 ohms? Yes: GO to 8 . No: REPAIR the circuit.
5. CHECK THE MS-CAN CIRCUITS BETWEEN THE HVAC MODULE AND THE DLC FOR AN OPEN Measure: HVAC module DLC C228A C251 Pin Circuit Measurement Pin Circuit 12 VDB06 (GY/OG) 3 VDB06 (GY/OG) 13 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 6 . No: REPAIR the circuit in question.
6. CHECK THE MS-CAN CIRCUITS FOR A SHORT TO POWER Connect: HVAC Module C228A. Ignition ON. Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) - - 11 VDB07 (VT/OG) - - Is the voltage greater than 3 volts on either circuit? Yes: REPAIR the circuit in question. No: GO to 7 .
7. CHECK THE MS-CAN CIRCUITS FOR A SHORT TO GROUND Ignition OFF. Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) - - 11 VDB07 (VT/OG) - - Are the resistances greater than 10, 000 ohms? Yes: GO to 8 . No: REPAIR the circuit in question.
8. CHECK FOR CORRECT HVAC MODULE OPERATION Ignition OFF. Disconnect and inspect the HVAC module connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the HVAC module connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new HVAC module: For EMTC, Refer to «HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE»(ref-517582-S02745705852012121200000) , or For DATC, Refer to «HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE»(ref-517581-S13895863382012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

Diagnostic Routine K

To ensure the most accurate service information, portions of this procedure are under development and may not be immediately available at vehicle introduction. If you wish to provide feedback on the information provided, use the 'Report a Problem' button above

To ensure the most accurate service information, portions of this procedure are under development and may not be immediately available at vehicle introduction. If you wish to provide feedback on the information provided, use the 'Report a Problem' button above

The Audio Digital Signal Processing (DSP) Module Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - AUDIO SYSTEM-NAVIGATION for schematic and connector information.

Verify BCM fuse 5 (20A) is OK.

Scheme 73

Scheme 74

1. CHECK THE AUDIO DSP MODULE VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: Audio DSP Module C3154C. Ignition ON. Measure: Audio DSP Module Ground C3154C Ground Pin Circuit Measurement Pin Circuit 5 SBP05 (GY/RD) - - 6 SBP05 (GY/RD) - - Are the voltages greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 5 (20A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE AUDIO DSP MODULE GROUND CIRCUITS FOR AN OPEN Ignition OFF. Measure: Audio DSP Module Ground C3154C Ground Pin Circuit Measurement Pin Circuit 13 GD348 (BK/YE) - - 14 GD348 (BK/YE) - - Are the resistances less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit in question.
3. CHECK THE I-CAN CIRCUITS BETWEEN THE AUDIO DSP MODULE AND THE IPC FOR AN OPEN Disconnect: Audio DSP Module C3154A. Disconnect: IPC. Measure: Audio DSP Module IPC C3154A C220 Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) 25 VDB13 (BU/GY) 11 VDB14 (VT/GY) 26 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT AUDIO DSP MODULE OPERATION Ignition OFF. Disconnect and inspect the audio DSP module connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the audio DSP module connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new audio DSP module. REFER to «AUDIO DIGITAL SIGNAL PROCESSING (DSP) MODULE»(ref-538891-S37246507612013033000000) (Sony®Sound). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Front Lighting Control Module (FLM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - HEADLAMPS_AUTOLAMPS for schematic and connector information.

Verify BCM fuse 23 (15A) is OK.

Scheme 75

Scheme 76

1. CHECK THE FLM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: FLM. Ignition ON. Measure: FLM Ground C205 Ground Pin Circuit Measurement Pin Circuit 1 SBP23 (WH/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 23 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE FLM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: FLM Ground C205 Ground Pin Circuit Measurement Pin Circuit 7 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE FLM AND THE DLC FOR AN OPEN Measure: FLM DLC C205 C251 Pin Circuit Measurement Pin Circuit 2 VDB04 (WH/BU) 6 VDB04 (WH/BU) 3 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT FLM OPERATION Ignition OFF. Disconnect and inspect the FLM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the FLM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new FLM. REFER to «FRONT LIGHTING CONTROL MODULE (FLM)»(ref-517594-S14764851962012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Liftgate Trunk Module (LTM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - POWER LIFTGATE for schematic and connector information.

Verify BJB fuse 7 (30A) and BCM fuse 9 (10A) are OK.

Scheme 77

Scheme 78

1. CHECK THE LTM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: LTM C4174A. Ignition ON. Measure: LTM Ground C4174A Ground Pin Circuit Measurement Pin Circuit 4 SBB07 (WH/RD) - - 9 SBP09 (RD) - - Are the voltages greater than 11 volts? Yes: GO to 2 . No: VERIFY the BJB fuse 7 (30A) and the BCM fuse 9 (10A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE LTM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: LTM Ground C4174A Ground Pin Circuit Measurement Pin Circuit 1 GD349 (BK/GY) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE MS-CAN CIRCUITS BETWEEN THE LTM AND THE DLC FOR AN OPEN Disconnect: LTM C4174B. Measure: LTM DLC C4174B C251 Pin Circuit Measurement Pin Circuit 24 VDB06 (GY/OG) 3 VDB06 (GY/OG) 23 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT LTM OPERATION Ignition OFF. Disconnect and inspect the LTM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the LTM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new LTM. REFER to «LIFTGATE/TRUNK MODULE (LTM)»(ref-517610-S39815224242012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Driver Seat Module (DSM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - MEMORY SEATS for schematic and connector information.

Verify BCM fuse 7 (7.5A) is OK.

Scheme 79

Scheme 80

1. CHECK THE DSM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: DSM C341B. Measure: DSM Ground C341B Ground Pin Circuit Measurement Pin Circuit 1 CBX03 (BU/RD) - - Are the voltages greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 7 (7.5) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE DSM GROUND CIRCUIT FOR AN OPEN Measure: DSM Ground C341B Ground Pin Circuit Measurement Pin Circuit 24 GD905 (BK/GN) - - Are the resistances less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit in question.
3. CHECK THE MS-CAN CIRCUITS BETWEEN THE DSM AND THE MS-CAN FOR AN OPEN Disconnect: DSM C341D. Measure: DSM DLC C341D C251 Pin Circuit Measurement Pin Circuit 10 VDB06 (GY/OG) 3 VDB06 (GY/OG) 9 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT DSM OPERATION Ignition OFF. Disconnect and inspect the DSM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the DSM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new DSM. REFER to «DRIVER SEAT MODULE (DSM)»(ref-517614-S41646412882012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Global Positioning System Module (GPSM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - AUDIO SYSTEM-NAVIGATION for schematic and connector information.

Verify BCM fuse 29 (20A) is OK.

Scheme 81

Scheme 82

Scheme 83

Scheme 84

1. CHECK THE GPSM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: GPSM. Ignition ON. Measure: GPSM Ground C2398 Ground Pin Circuit Measurement Pin Circuit 1 SBP29 (GY/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 29 (20A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE GPSM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: GPSM Ground C2398 Ground Pin Circuit Measurement Pin Circuit 6 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE MS-CAN CIRCUITS BETWEEN THE GPSM AND THE DLC FOR AN OPEN Measure: GPSM DLC C2398 C251 Pin Circuit Measurement Pin Circuit 2 VDB06 (GY/OG) 3 VDB06 (GY/OG) 3 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT GPSM OPERATION Ignition OFF. Disconnect and inspect the GPSM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the GPSM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new GPSM: For Premium Plus system, REFER to «GLOBAL POSITIONING SYSTEM MODULE (GPSM)»(ref-538890-S02377599242013033000000) , or For Sony® Sound system, REFER to «GLOBAL POSITIONING SYSTEM MODULE (GPSM)»(ref-538891-S13409963142013033000000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Dual Climate Controlled Seat Module (DCSM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - CLIMATE CONTROLLED SEATS for schematic and connector information.

Verify BJB fuse 28 (30A) is OK.

Scheme 85

Scheme 86

Scheme 87

1. CHECK THE DCSM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: DCSM C3265A. Ignition ON. Measure: DCSM Ground C3265A Ground Pin Circuit Measurement Pin Circuit E CBX01 (GN/RD) - - F CBX01 (GN/RD) - - Are the voltages greater than 11 volts? Yes: GO to 2 . No: VERIFY the BJB fuse 28 (30A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE DCSM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: DCSM Ground C3265A Ground Pin Circuit Measurement Pin Circuit M GD903 (BK/WH) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE MS-CAN CIRCUITS BETWEEN THE DCSM AND THE DLC FOR AN OPEN Disconnect: DCSM C3265C. Measure: LTM DLC C3265C C251 Pin Circuit Measurement Pin Circuit 1 VDB06 (GY/OG) 3 VDB06 (GY/OG) 2 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT DCSM OPERATION Ignition OFF. Disconnect and inspect the DCSM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the DCSM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new DCSM. REFER to «DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM)»(ref-517614-S15921892922012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Parking Aid Module (PAM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - PARKING AID for schematic and connector information.

Verify BCM fuse 34 (10A) is OK.

Scheme 88

Scheme 89

Scheme 90

1. CHECK THE PAM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: PAM. Ignition ON. Measure: PAM Ground C3267 Ground Pin Circuit Measurement Pin Circuit 1 CBP34 (VT/BN) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 34 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE PAM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: PAM Ground C3267 Ground Pin Circuit Measurement Pin Circuit 4 GD351 (BK/GN) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE PAM AND THE DLC FOR AN OPEN Measure: PAM DLC C3267 C251 Pin Circuit Measurement Pin Circuit 3 VDB04 (WH/BU) 6 VDB04 (WH/BU) 11 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT PAM OPERATION Ignition OFF. Disconnect and inspect the PAM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the PAM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new PAM. REFER to «PARKING AID MODULE (PAM)»(ref-517587-S06017244582012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Accessory Protocol Interface Module (APIM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - AUDIO SYSTEM-NAVIGATION for schematic and connector information.

Verify BCM fuse 29 (20A) is OK.

Scheme 91

Scheme 92

Scheme 93

1. CHECK THE APIM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: APIM. Ignition ON. Measure: APIM Ground C2383 Ground Pin Circuit Measurement Pin Circuit 1 SBP29 (GY/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 29 (20A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE APIM GROUND CIRCUITS FOR AN OPEN Ignition OFF. Measure: APIM Ground C2383 Ground Pin Circuit Measurement Pin Circuit 37 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE APIM AND THE DLC FOR AN OPEN Measure: APIM DLC C2383 C251 Pin Circuit Measurement Pin Circuit 53 VDB04 (WH/BU) 6 VDB04 (WH/BU) 54 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: If the vehicle is equipped with an 8-inch touchscreen, GO to 4 . If the vehicle is not equipped with an 8-inch touchscreen, GO to 5 . No: REPAIR the circuit in question.
4. CHECK THE MS-CAN CIRCUITS BETWEEN THE APIM AND THE DLC FOR AN OPEN Measure: APIM DLC C2383 C251 Pin Circuit Measurement Pin Circuit 16 VDB06 (GY/OG) 3 VDB06 (GY/OG) 17 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 5 . No: REPAIR the circuit in question.
5. CHECK FOR CORRECT APIM OPERATION Ignition OFF. Disconnect and inspect the APIM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the APIM connector. Make sure it seats and latches correctly. Operate the system and determine the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new APIM: REFER to «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538889-S32773893312013033000000) (Premium), REFER to «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538890-S10329010452013033000000) (Premium Plus), or REFER to «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538891-S37547890862013033000000) (Sony® Sound). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

The Head Up Display (HUD) Module Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - VEHICLE EMERGENCY MESSAGING SYSTEM for schematic and connector information.

Verify BCM fuses 11 (10A) and 35 (5A) are OK.

Scheme 94

Scheme 95

Scheme 96

1. CHECK THE HUD MODULE VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: HUD module. Ignition ON. Measure: HUD Module Ground C2395 Ground Pin Circuit Measurement Pin Circuit 4 CBP35 (YE/GY) - - 5 SBP11 (BU/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuses 11 (10A) and 35 (5A) are OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE HUD MODULE GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: HUD Module Ground C2395 Ground Pin Circuit Measurement Pin Circuit 1 GD215 (BK/GY) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE HUD MODULE AND THE DLC FOR AN OPEN Measure: HUD Module DLC C2395 C251 Pin Circuit Measurement Pin Circuit 3 VDB04 (WH/BU) 6 VDB04 (WH/BU) 2 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT HUD MODULE OPERATION Ignition OFF. Disconnect and inspect the HUD module connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the HUD module connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new HUD module. REFER to «HEAD UP DISPLAY (HUD) MODULE»(ref-517605-S36576731642012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Cruise-Control Module (C-CM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - CRUISE CONTROL for schematic and connector information.

Verify BJB fuses 79 (5A) and 91 (10A) are OK.

Scheme 97

Scheme 98

Scheme 99

1. CHECK THE C-CM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: C-CM . Ignition ON. Measure: C-CM Ground C1582 Ground Pin Circuit Measurement Pin Circuit 10 CBB91 (BN) - - 1 SBB79 (WH/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BJB fuses 79 (5A) and 91 (10A) are OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE C-CM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: C-CM Ground C1582 Ground Pin Circuit Measurement Pin Circuit 4 GD120 (BK/GN) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE C-CM AND THE DLC FOR AN OPEN Measure: C-CM DLC C1582 C251 Pin Circuit Measurement Pin Circuit 8 VDB04 (WH/BU) 6 VDB04 (WH/BU) 7 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT C-CM OPERATION Ignition OFF. Disconnect and inspect the C-CM connector. Repair: Corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the C-CM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new C-CM . REFER to «CRUISE CONTROL MODULE (C-CM)»(ref-517603-S02009440042012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Side Obstacle Detection Control Module - Left (SOD-L) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - VEHICLE EMERGENCY MESSAGING SYSTEM for schematic and connector information.

Verify BCM fuse 34 (10A) is OK.

Scheme 100

Scheme 101

Scheme 102

Scheme 103

1. CHECK THE SOD-L VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: SOD-L . Ignition ON. Measure: SOD-L Ground C4369 Ground Pin Circuit Measurement Pin Circuit 2 CBP34 (VT/BN) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 34 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE SOD-L GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: SOD-L Ground C4369 Ground Pin Circuit Measurement Pin Circuit 5 GD351 (BK/GN) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE MS-CAN CIRCUITS BETWEEN THE SOD-L AND THE DLC FOR AN OPEN Measure: SOD-L DLC C4369 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 3 VDB06 (GY/OG) 4 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT SOD-L OPERATION Ignition OFF. Disconnect and inspect the SOD-L connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the SOD-L connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new SOD-L . REFER to «SIDE OBSTACLE DETECTION (SOD) MODULE»(ref-517606-S24396784822012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Side Obstacle Detection Control Module - Right (SOD-R) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - VEHICLE EMERGENCY MESSAGING SYSTEM for schematic and connector information.

Verify BCM fuse 34 (10A) is OK.

Scheme 104

Scheme 105

Scheme 106

Scheme 107

Scheme 108

1. CHECK THE SOD-R VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: SOD-R . Ignition ON. Measure: SOD-L Ground C4370 Ground Pin Circuit Measurement Pin Circuit 2 CBP34 (VT/BN) - - Are the voltages greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 34 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE SOD-R GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: SOD-R Ground C4370 Ground Pin Circuit Measurement Pin Circuit 5 GD351 (BK/GN) - - 6 GD351 (BK/GN) - - Are the resistances less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit in question.
3. CHECK THE MS-CAN CIRCUITS BETWEEN THE SOD-R AND THE DLC FOR AN OPEN Measure: SOD-R DLC C4370 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 3 VDB06 (GY/OG) 4 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT SOD-R OPERATION Ignition OFF. Disconnect and inspect the SOD-R connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the SOD-R connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new SOD-R . REFER to «SIDE OBSTACLE DETECTION (SOD) MODULE»(ref-517606-S24396784822012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Tire Pressure Monitor (TPM) Module Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - TIRE PRESSURE MONITOR SYSTEM for schematic and connector information.

Verify BCM fuse 26 (5A) is OK.

Scheme 109

Scheme 110

Scheme 111

1. CHECK THE TPM MODULE VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: TPM Module. Ignition ON. Measure: TPM Module Ground C3641 Ground Pin Circuit Measurement Pin Circuit 4 SBP26 (YE/RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 26 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE TPM MODULE GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: TPM Module Ground C3641 Ground Pin Circuit Measurement Pin Circuit 6 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE MS-CAN CIRCUITS BETWEEN THE TPM MODULE AND THE DLC FOR AN OPEN Measure: TPM Module DLC C3641 C251 Pin Circuit Measurement Pin Circuit 1 VDB06 (GY/OG) 3 VDB06 (GY/OG) 2 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: CONNECT the negative battery cable. GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT TPM MODULE OPERATION Ignition OFF. Disconnect and inspect the TPM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the TPM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new TPM module. REFER to «TIRE PRESSURE MONITOR (TPM) MODULE»(ref-517544-S07319419592012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Front Controls Interface Module (FCIM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - AUDIO SYSTEM-NAVIGATION for schematic and connector information.

Verify BCM fuse 9 (10A) is OK.

Scheme 112

Scheme 113

Scheme 114

Scheme 115

Scheme 116

Scheme 117

1. CHECK THE FCIM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: FCIM. Ignition ON. Measure: FCIM Ground C2402 Ground Pin Circuit Measurement Pin Circuit 1 SBP09 (RD) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 9 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE FCIM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: FCIM Ground C2402 Ground Pin Circuit Measurement Pin Circuit 6 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE I-CAN CIRCUITS BETWEEN THE FCIM AND THE IPC FOR AN OPEN Disconnect: IPC. Measure: FCIM IPC C2402 C220 Pin Circuit Measurement Pin Circuit 2 VDB13 (BU/GY) 25 VDB13 (BU/GY) 3 VDB14 (VT/GY) 26 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT FCIM OPERATION Ignition OFF. Disconnect and inspect the FCIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the FCIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new FCIM: REFER to «FRONT CONTROLS INTERFACE MODULE (FCIM)»(ref-538889-S40961126222013033000000) - (Premium), REFER to «FRONT CONTROLS INTERFACE MODULE (FCIM)»(ref-538890-S40042572692013033000000) - (Premium Plus), or REFER to «FRONT CONTROLS INTERFACE MODULE (FCIM)»(ref-538891-S32340284562013033000000) - (Sony® Sound). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Remote Function Actuator (RFA) Module Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - REMOTE KEYLESS ENTRY AND ALARM for schematic and connector information.

Verify BCM fuses 23 (15A) and 27 (20A) are OK.

Scheme 118

Scheme 119

Scheme 120

1. CHECK THE RFA MODULE VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: RFA module C2153C (Blue hardshell). Ignition ON. Measure: RFA Module Ground C2153C (blue hardshell) Ground Pin Circuit Measurement Pin Circuit 1 SBP23 (WH/RD) - - 5 SBP27 (BU) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuses 23 (15A) and 27 (20A) are OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE RFA MODULE GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: RFA Module Ground C2153C (blue hardshell) Ground Pin Circuit Measurement Pin Circuit 3 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit in question.
3. CHECK THE MS-CAN CIRCUITS BETWEEN THE RFA MODULE AND THE DLC FOR AN OPEN Disconnect: RFA module C2153E (Brown hardshell). Measure: RFA Module DLC C2153E (brown hardshell) C251 Pin Circuit Measurement Pin Circuit 5 VDB06 (GY/OG) 3 VDB06 (GY/OG) 4 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT RFA MODULE OPERATION Ignition OFF. Disconnect and inspect the RFA module connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the RFA module connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new RFA module. REFER to «REMOTE FUNCTION ACTUATOR (RFA) MODULE»(ref-517607-S30534643672012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The All Terrain Control Module (ATCM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - ALL WHEEL DRIVE (AWD) for schematic and connector information.

Verify BCM fuse 35 (5A) is OK.

Scheme 121

Scheme 122

Scheme 123

1. CHECK THE ATCM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: ATCM. Ignition ON. Measure: ATCM Ground C3639 Ground Pin Circuit Measurement Pin Circuit 1 CBP35 (YE/GY) - - Are the voltages greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 35 (5A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE ATCM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: ATCM Ground C3639 Ground Pin Circuit Measurement Pin Circuit 7 GD214 (BK/BU) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit in question.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE ATCM AND THE DLC FOR AN OPEN Measure: ATCM DLC C3639 C251 Pin Circuit Measurement Pin Circuit 3 VDB04 (WH/BU) 6 VDB04 (WH/BU) 6 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT ATCM OPERATION Ignition OFF. Disconnect and inspect the ATCM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the ATCM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new ATCM. REFER to «ALL TERRAIN CONTROL MODULE (ATCM)»(ref-517536-S41817413912012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

The Transmission Control Module (TCM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - CRUISE CONTROL for schematic and connector information.

Verify BJB fuse 56 (15A) and 90 (10A) are OK.

Scheme 124

Scheme 125

Scheme 126

Scheme 127

1. CHECK THE TCM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: TCM. Ignition ON. Measure: TCM Ground C1750 Ground Pin Circuit Measurement Pin Circuit 1 SBB56 (VT/RD) - Ground 31 SBB56 (VT/RD) - Ground 33 CBB90 (YE/OG) - Ground Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BCM fuse 56 (15A) and 90 (10A) are OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE TCM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Measure: TCM Ground C1750 Ground Pin Circuit Measurement Pin Circuit 9 GD120 (BK/GN) - Ground 39 GD120 (BK/GN) - Ground 41 GD120 (BK/GN) - Ground Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE TCM AND THE DLC FOR AN OPEN Measure: TCM DLC C1750 C251 Pin Circuit Measurement Pin Circuit 47 VDB04 (WH/BU) 6 VDB04 (WH/BU) 48 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 4 No: REPAIR the circuit in question.
4. CHECK FOR CORRECT TCM OPERATION Ignition OFF. Disconnect and inspect the TCM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the TCM connector. Make sure it seats and latches correctly. Operate the system and determine the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new TCM. REFER to «TRANSMISSION CONTROL MODULE (TCM)»(ref-538870-S23920626822013033000000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

The Power Steering Control Module (PSCM) Does Not Respond To The Scan Tool

Refer to the OEM Wiring Diagrams - MODULE COMMUNICATION NETWORK for schematic and connector information.

Refer to the OEM Wiring Diagrams - POWER STEERING CONTROLS for schematic and connector information.

Verify BJB fuse 89 (5A) is OK.

Scheme 128

Scheme 129

Scheme 130

1. CHECK THE PSCM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: PSCM C1463A. Ignition ON. Measure: PSCM Ground C1463A Ground Pin Circuit Measurement Pin Circuit 3 CBB89 (VT/GY) - - Is the voltage greater than 11 volts? Yes: GO to 2 . No: VERIFY the BJB fuse 89 (5A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
2. CHECK THE PSCM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: PSCM C1463B. Measure: PSCM Ground C1463B Ground Pin Circuit Measurement Pin Circuit 2 GD108 (BK/VT) - - Is the resistance less than 3 ohms? Yes: GO to 3 . No: REPAIR the circuit in question.
3. CHECK THE HS-CAN CIRCUITS BETWEEN THE PSCM AND THE DLC FOR AN OPEN Measure: PSCM DLC C1463A C251 Pin Circuit Measurement Pin Circuit 1 VDB04 (WH/BU) 6 VDB04 (WH/BU) 2 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the circuit in question.
4. CHECK FOR CORRECT PSCM OPERATION Ignition OFF. Disconnect and inspect the PSCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect the PSCM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new PSCM. REFER to «STEERING GEAR»(ref-517538-S03013328262012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.

Verify BCM fuse 24 (15A) is OK.

Scheme 131

1. CHECK THE DLC PINS FOR DAMAGE Ignition OFF. Disconnect the scan tool cable from the DLC. Inspect DLC pins 4, 5 and 16 for damage. Are DLC pins 4, 5 and 16 OK? Yes: GO to 2 . No: REPAIR the DLC as necessary.
2. CHECK THE DLC VOLTAGE SUPPLY FOR AN OPEN Measure: DLC Ground C251 Chassis Ground Pin Circuit Measurement Pin Circuit 16 SBP24 (VT/RD) - - Is the voltage greater than 11 volts? Yes: GO to 3 . No: VERIFY the BCM fuse 24 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate wiring diagrams to identify the possible causes of the circuit short. REFER to «OEM FUSE AND RELAY INFORMATION»(ref-485835) and «OEM WIRING DIAGRAMS»(ref-514995) .
3. CHECK THE DLC GROUND CIRCUITS FOR AN OPEN Disconnect: Negative Battery Cable. Measure: DLC Ground C251 Chassis Ground Pin Circuit Measurement Pin Circuit 4 GD214 (BK/BU) - - 5 GD214 (BK/BU) - - Are the resistances less than 3 ohms? Yes: REPAIR the scan tool. CONNECT the negative battery cable. No: REPAIR the circuit in question. CONNECT the negative battery cable.