WHEN MONITORED
With the ignition on.
SET CONDITION
If the A/C On/Off Control Switch is stuck in an On position for more than 30 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
POSSIBLE CAUSES
| Possible Causes |
|---|
| OBJECT HOLDING SWITCH IN AN ON POSITION |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
If the Recirculation Mode Switch is stuck in a On position for more than 30 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| OBJECT HOLDING SWITCH IN AN ON POSITION |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
If the Electric Back light (EBL) Electronic Rear Defrost Switch is stuck in an On position for more than 30 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| OBJECT HOLDING SWITCH IN AN ON POSITION |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B10E8-11-BLOWER MOTOR CONTROL - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Scheme 1
With the ignition on.
If the A/C Heater Control detects a short to ground on the Blower Motor Control circuit. If a valid voltage is detected the DTC will change from active to stored and stay in the controllers memory for 100 consecutive ignition cycles.
| Possible Causes |
|---|
| BLOWER MOTOR SUPPLY CIRCUIT SHORTED TO GROUND |
| BLOWER MOTOR GROUND CIRCUIT SHORTED TO GROUND |
| BLOWER MOTOR POWER MODULE |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B10E8-12-BLOWER MOTOR CONTROL - CIRCUIT SHORT TO BATTERY
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
If the A/C Heater Control detects a short to voltage or open on the Blower Motor Control circuit. If a valid voltage is detected the DTC will change from active to stored and stay in the controllers memory for 100 consecutive ignition cycles.
| Possible Causes |
|---|
| BLOWER MOTOR POWER MODULE SUPPLY SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| BLOWER MOTOR POWER MODULE SUPPLY CIRCUIT OPEN |
| BLOWER MOTOR GROUND CIRCUIT OPEN |
| BLOWER MOTOR POWER MODULE |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B10E8-16-BLOWER MOTOR CONTROL - CIRCUIT VOLTAGE BELOW THRESHOLD
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
If the A/C Heater Control detects a short to ground on the Blower Motor Control circuit. If a valid voltage is detected the DTC will change from active to stored and stay in the controllers memory for 100 consecutive ignition cycles.
| Possible Causes |
|---|
| BLOWER MOTOR POWER MODULE SUPPLY CIRCUIT SHORTED TO GROUND |
| BLOWER MOTOR GROUND CIRCUIT SHORTED TO GROUND |
| BLOWER MOTOR POWER MODULE |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B10E8-17-BLOWER MOTOR CONTROL - CIRCUIT VOLTAGE ABOVE THRESHOLD
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
If the A/C Heater Control detects a short to voltage or open on the Blower Motor Control circuit. If a valid voltage is detected the DTC will change from active to stored and stay in the controllers memory for 100 consecutive ignition cycles.
| Possible Causes |
|---|
| BLOWER MOTOR POWER MODULE SUPPLY SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| BLOWER MOTOR POWER MODULE SUPPLY SIGNAL CIRCUIT OPEN |
| BLOWER MOTOR GROUND CIRCUIT OPEN |
| BLOWER MOTOR POWER MODULE |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
The A/C Heater Module detects less than 0.09 volts on the Evaporator Temperature Sensor Signal circuit for a period of two seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| EVAPORATOR TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
The A/C Heater Module detects greater than 4.8 volts on the Evaporator Temperature Sensor Signal circuit for a period of two seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN |
| SENSOR GROUND CIRCUIT OPEN |
| EVAPORATOR TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the Recirculation Door Driver circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RECIRCULATION DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| REFERENCE VOLTAGE CIRCUIT SHORTED TO GROUND |
| RECIRCULATION DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
The A/C Heater Module detects a short voltage on the Recirculation Door control circuit. If the A/C Heater Module detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RECIRCULATION DOOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| ACTUATOR GROUND CIRCUIT SHORTED TO VOLTAGE |
| RECIRCULATION DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
The A/C Heater Module detects an open in the Recirculation Door control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RECIRCULATION DOOR SIGNAL CIRCUIT OPEN |
| REFERENCE VOLTAGE CIRCUIT OPEN |
| RECIRCULATION DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the Recirculation Door Driver circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RECIRCULATION DOOR SIGNAL CIRCUIT AND REFERENCE VOLTAGE CIRCUIT SHORTED TOGETHER |
| RECIRCULATION DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
The A/C Heater Module detects no feedback pulses on the Recirculation Door Control circuits for 15 seconds or more. If the A/C Heater Module detects a valid feedback pulse, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RECIRCULATION DOOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| RECIRCULATION DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| REFERENCE VOLTAGE CIRCUIT SHORTED TO VOLTAGE |
| REFERENCE VOLTAGE CIRCUIT SHORTED TO GROUND |
| RECIRCULATION DOOR BINDING |
| RECIRCULATION DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B105C-00-RECIRCULATION DOOR TRAVEL RANGE TOO SMALL
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When ever an Actuator Calibration Test is performed.
The A/C Heater Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Module detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| RECIRCULATION DOOR BINDING |
| RECIRCULATION DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B105D-00-RECIRCULATION DOOR TRAVEL RANGE TOO LARGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When ever an Actuator Calibration Test is performed.
The A/C Heater Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Module detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| RECIRCULATION DOOR STOPS |
| RECIRCULATION DOOR |
| RECIRCULATION DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With ever an A/C Cooldown Test is performed.
This DTC is set whenever the A/C Cooldown Test is performed and the desired temperature drop is not achieved by the system. The DTC will go to stored after a successful A/C Cooldown Test.
| Possible Causes |
|---|
| A/C SYSTEM WORKING IMPROPERLY |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
When the In-Car Temperature Sensor signal to the A/C Heater Module is less than 0.5 volt for a continuous period of 1200 msec. or more. If the A/C Heater Module detects a valid signal, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| IN-CAR TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
When the In-Car Temperature Sensor signal to the A/C Heater Module is greater than 4.9 volts for a continuous period of 1200 msec. or more. If the A/C Heater Module detects a valid signal, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| IN-CAR TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C2-11-FRONT MODE DOOR 1 CONTROL - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the Mode Door control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| MODE DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| REFERENCE VOLTAGE CIRCUIT SHORTED TO GROUND |
| MODE DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C2-12-FRONT MODE DOOR 1 CONTROL - CIRCUIT SHORT TO BATTERY
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects a short voltage on the Mode Door control circuit. If the A/C Heater Module detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| MODE DOOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| REFERENCE VOLTAGE CIRCUIT SHORTED TO VOLTAGE |
| MODE DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C2-13-FRONT MODE DOOR 1 CONTROL - CIRCUIT OPEN
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects an open in the Mode Door control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| MODE DOOR SIGNAL CIRCUIT OPEN |
| REFERENCE VOLTAGE CIRCUIT OPEN |
| MODE DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C2-2B-FRONT MODE DOOR 1 CONTROL - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the Mode Door control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| MODE DOOR SIGNAL CIRCUIT AND REFERENCE VOLTAGE CIRCUITS SHORTED TOGETHER |
| MODE DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
The A/C Heater Module detects no feedback pulses on the Mode Door Control circuits for 15 seconds or more. If the A/C Heater Module detects a valid feedback pulse, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| MODE DOOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| MODE DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| REFERENCE VOLTAGE CIRCUIT SHORTED TO VOLTAGE |
| REFERENCE VOLTAGE CIRCUIT SHORTED TO GROUND |
| MODE DOOR BINDING |
| MODE DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C3-00-FRONT MODE DOOR 1 TRAVEL RANGE TOO SMALL
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When ever an Actuator Calibration Test is performed.
The A/C Heater Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Module detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| MODE DOOR BINDING |
| MODE DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C4-00-FRONT MODE DOOR 1 TRAVEL RANGE TOO LARGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When ever an Actuator Calibration Test is performed.
The A/C Heater Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Module detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| MODE DOOR STOPS |
| MODE DOOR |
| MODE DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C8-11-RIGHT TEMPERATURE DOOR CONTROL - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Scheme 2
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the Passenger Blend Door control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| PASSENGER BLEND DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| PASSENGER DOOR DRIVER 2 CIRCUIT SHORTED TO GROUND |
| PASSENGER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C8-12-RIGHT TEMPERATURE DOOR CONTROL - CIRCUIT SHORT TO BATTERY
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects a short voltage on the Passenger Blend Door control circuit. If the A/C Heater Module detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| PASSENGER BLEND DOOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| BLEND DOOR DRIVER CIRCUIT SHORTED TO VOLTAGE |
| PASSENGER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C8-13-RIGHT TEMPERATURE DOOR CONTROL - CIRCUIT OPEN
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects an open in the Passenger Blend Door control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| PASSENGER BLEND DOOR SIGNAL CIRCUIT OPEN |
| BLEND DOOR DRIVER CIRCUIT OPEN |
| PASSENGER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C8-2B-RIGHT TEMPERATURE DOOR CONTROL - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the Passenger Blend Door control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| PASSENGER BLEND DOOR SIGNAL CIRCUIT AND BLEND DOOR DRIVER CIRCUIT SHORTED TOGETHER |
| PASSENGER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
The A/C Heater Module detects no feedback pulses on the Passenger Blend Door Driver circuits for 15 seconds or more. If the A/C Heater Module detects a valid feedback pulse, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| PASSENGER BLEND DOOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| PASSENGER BLEND DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| BLEND DOOR DRIVER CIRCUIT SHORTED TO VOLTAGE |
| BLEND DOOR DRIVER CIRCUIT SHORTED TO GROUND |
| PASSENGER BLEND DOOR BINDING |
| PASSENGER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11C9-00-RIGHT TEMPERATURE DOOR TRAVEL TOO SMALL
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When ever an Actuator Calibration Test is performed.
The A/C Heater Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Module detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| PASSENGER BLEND DOOR BINDING |
| PASSENGER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11CA-00-RIGHT TEMPERATURE DOOR TRAVEL TOO LARGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When ever an Actuator Calibration Test is performed.
The A/C Heater Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Module detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| PASSENGER BLEND DOOR STOPS |
| PASSENGER BLEND DOOR |
| PASSENGER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11CB-11-MAIN/LEFT TEMPERATURE DOOR CONTROL - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Scheme 3
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the Driver Blend Door control circuit. If the A/C Heater Module detects valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| DRIVER BLEND DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| BLEND DOOR DRIVER CIRCUIT SHORTED TO GROUND |
| DRIVER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11CB-12-MAIN/LEFT TEMPERATURE DOOR CONTROL - CIRCUIT SHORT TO BATTERY
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects a short voltage on the Driver Blend Door control circuit. If the A/C Heater Module detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| DRIVER BLEND DOOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| BLEND DOOR DRIVER CIRCUIT SHORTED TO VOLTAGE |
| DRIVER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11CB-13-MAIN/LEFT TEMPERATURE DOOR CONTROL - CIRCUIT OPEN
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects an open in the Driver Blend Door control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| DRIVER BLEND DOOR SIGNAL CIRCUIT OPEN |
| BLEND DOOR DRIVER CIRCUIT OPEN |
| DRIVER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11CB-2B-MAIN/LEFT TEMPERATURE DOOR CONTROL - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the Driver Blend Door control circuit. If the A/C Heater Module detects valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| DRIVER BLEND DOOR SIGNAL AND BLEND DOOR DRIVER CIRCUITS SHORTED TOGETHER |
| DRIVER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
The A/C Heater Module detects no feedback pulses on the Driver Blend Door Driver circuits for 15 seconds or more. If the A/C Heater Module detects a valid feedback pulse, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| DRIVER BLEND DOOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| DRIVER BLEND DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| BLEND DOOR DRIVER CIRCUIT SHORTED TO VOLTAGE |
| BLEND DOOR DRIVER CIRCUIT SHORTED TO GROUND |
| DRIVER BLEND DOOR BINDING |
| DRIVER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11CD-00-MAIN/LEFT TEMPERATURE DOOR TRAVEL TOO SMALL
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When ever an Actuator Calibration Test is performed.
The A/C Heater Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is more than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Module detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| DRIVER BLEND DOOR BINDING |
| DRIVER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11CD-00-MAIN/LEFT TEMPERATURE DOOR TRAVEL TOO LARGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When ever an Actuator Calibration Test is performed.
The A/C Heater Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is more than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Module detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| DRIVER BLEND DOOR BINDING |
| DRIVER BLEND DOOR ACTUATOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Whenever an A/C Cooldown Test is performed.
The A/C Heater Module receives a BUS message from the Powertrain Control Module (PCM) that the compressor is not engaged when it is requested.
| Possible Causes |
|---|
| LOSS OF COMMUNICATION WITH THE PCM OR MULTIPLE BUS PROBLEMS |
| PCM A/C COMPRESSOR DTCS |
| A/C SYSTEM LEAK |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Whenever an A/C Cooldown Test is performed.
The A/C Heater Module detects a circuit malfunction with the Evaporator Temperature Sensor during a Cooldown Test.
| Possible Causes |
|---|
| EVAPORATOR TEMPERATURE SENSOR DTC PRESENT |
| EVAPORATOR TEMPERATURE SENSOR |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
If the Blower Motor Control has a mechanical or electrical failure for more than 30 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
If the Mode Control Switch is stuck in an On position for more than 30 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| OBJECT HOLDING SWITCH IN AN ON POSITION |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
If the Left Temperature Control has a mechanical or electrical failure for more than 30 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F0-11-LEFT FLOOR DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Scheme 4
With the ignition on.
The A/C Heater Module detects less than 0.09 volts on the Left Floor Duct Temperature Sensor Signal circuit for a period of three seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| LEFT FLOOR DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| LEFT FLOOR DUCT TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F0-15-LEFT FLOOR DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The A/C Heater Module detects greater than 4.8 volts on the Left Floor Duct Temperature Sensor Signal circuit for a period of three seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| LEFT FLOOR DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| LEFT FLOOR DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN |
| SENSOR GROUND CIRCUIT OPEN |
| LEFT FLOOR DUCT TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F1-11-RIGHT FLOOR DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The A/C Heater Module detects less than 0.09 volts on the Right Floor Duct Temperature Sensor Signal circuit for a period of three seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| RIGHT FLOOR DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| RIGHT FLOOR DUCT TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F1-15-RIGHT FLOOR DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The A/C Heater Module detects greater than 4.8 volts on the Right Floor Duct Temperature Sensor Signal circuit for a period of three seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| RIGHT FLOOR DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| RIGHT FLOOR DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN |
| SENSOR GROUND CIRCUIT OPEN |
| RIGHT FLOOR DUCT TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F2-11-LEFT PANEL DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The A/C Heater Module detects less than 0.09 volts on the Left Panel Duct Temperature Sensor Signal circuit for a period of three seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| LEFT PANEL DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| LEFT PANEL DUCT TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F2-15-LEFT PANEL DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The A/C Heater Module detects greater than 4.8 volts on the Left Panel Duct Temperature Sensor Signal circuit for a period of three seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| LEFT PANEL DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| LEFT PANEL DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN |
| SENSOR GROUND CIRCUIT OPEN |
| LEFT PANEL DUCT TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F3-11-RIGHT PANEL DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The A/C Heater Module detects less than 0.09 volts on the Right Panel Duct Temperature Sensor Signal circuit for a period of three seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| RIGHT PANEL DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| RIGHT PANEL DUCT TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F3-15-RIGHT PANEL DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The A/C Heater Module detects greater than 4.8 volts on the Right Panel Duct Temperature Sensor Signal circuit for a period of three seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.
| Possible Causes |
|---|
| RIGHT PANEL DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| RIGHT PANEL DUCT TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN |
| SENSOR GROUND CIRCUIT OPEN |
| RIGHT PANEL DUCT TEMPERATURE SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F4-11-MODE/TEMPERATURE DOOR VOLTAGE REFERENCE - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Module detects a short to ground on the 5 Volt Supply circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| REFERENCE VOLTAGE CIRCUIT SHORTED TO GROUND |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11F4-12-MODE/TEMPERATURE DOOR VOLTAGE REFERENCE - CIRCUIT SHORT TO BATTERY
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
The A/C Heater Control detects a short voltage on the 5 Volt Supply circuit. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| REFERENCE VOLTAGE CIRCUIT SHORTED TO VOLTAGE |
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11FE-11-VARIABLE A/C COMPRESSOR CONTROL - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Scheme 5
Ignition on and HVAC activated.
The HVAC Module detects a short to ground on the Variable A/C compressor control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| VARIABLE A/C COMPRESSOR CONTROL CIRCUIT SHORTED TO GROUND |
| VARIABLE A/C COMPRESSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11FE-12-VARIABLE A/C COMPRESSOR CONTROL - CIRCUIT SHORT TO BATTERY
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on and the HVAC on.
The HVAC Module detects a short voltage on the Variable A/C Compressor control circuit. If the A/C Heater Module detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| VARIABLE A/C COMPRESSOR CONTROL CIRCUIT SHORTED TO VOLTAGE |
| VARIABLE A/C COMPRESSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B11FE-13-VARIABLE A/C COMPRESSOR CONTROL - CIRCUIT OPEN
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on and the HVAC off.
The A/C Heater Module detects an open in the Variable A/C Compressor control circuit. If the A/C Heater Module detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.
| Possible Causes |
|---|
| VARIABLE A/C COMPRESSOR CONTROL CIRCUIT OPEN |
| VARIABLE A/C COMPRESSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
If the A/C Heater Module detects on Sun Sensor Signal 1 circuit a voltage less than 0.5 volt for the period of two seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| SUN SENSOR 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| SUN SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
If the A/C Heater Module detects on the Sun Sensor 1 Signal circuit a voltage greater than 4.8 volts for the period of two seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| SUN SENSOR 1 SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| SUN SENSOR 1 SIGNAL CIRCUIT OPEN |
| SUN SENSOR GROUND CIRCUIT OPEN |
| SUN SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
If the A/C Heater Module detects on Sun Sensor 2 Signal circuit a voltage less than 0.5 volts for the period of two seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| SUN SENSOR 2 SIGNAL CIRCUIT SHORTED TO GROUND |
| SUN SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously with the ignition on.
If the A/C Heater Module detects on the Sun Sensor 2 Signal circuit a voltage greater than 4.8 volts for the period of two seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| SUN SENSOR 2 SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| SUN SENSOR 2 SIGNAL CIRCUIT OPEN |
| SUN SENSOR GROUND CIRCUIT OPEN |
| SUN SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B160F-11-TWILIGHT/AMBIENT LIGHT SENSOR INPUT - CIRCUIT SHORT TO GROUND
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
If the A/C Heater Module detects on the Auto Headlamps Signal circuit a voltage less than 0.25 volts for the period of two seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| AUTO HEADLAMPS SIGNAL CIRCUIT SHORTED TO GROUND |
| SUN SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B160F-12-TWILIGHT/AMBIENT LIGHT SENSOR INPUT - CIRCUIT SHORT TO BATTERY
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
If the A/C Heater Module detects on the Auto Headlamps Signal circuit a voltage greater than 4.83 volts for the period of two seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| AUTO HEADLAMPS SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| AUTO HEADLAMPS SIGNAL CIRCUIT OPEN |
| SUN SENSOR GROUND CIRCUIT OPEN |
| SUN SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B210D-84-BATTERY VOLTAGE LOW - SIGNAL BELOW ALLOWABLE RANGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
If the A/C Heater Module detects a voltage less than 9.5 volts for the period of 15 seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED CHARGING SYSTEM DTCS PRESENT |
| FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN |
| FUSED B (+) CIRCUIT OPEN |
| GROUND CIRCUIT OPEN |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B210E-85-BATTERY VOLTAGE HIGH - SIGNAL ABOVE ALLOWABLE RANGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition on.
If the A/C Heater Module detects a voltage greater than 16.0 volts for the period of 15 seconds or more. This DTC has a de-maturing time of 20 msec. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| RELATED CHARGING SYSTEM DTCS PRESENT |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
If the A/C Heater Control has an internal fault. This Diagnostic Trouble Code (DTC) has a maturing time of five seconds and a de-maturing time of 10 seconds. If the DTCs status changes from active to stored it will stay in memory for 100 ignition cycles.
| Possible Causes |
|---|
| A/C HEATER CONTROL |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
B222A-00-VEHICLE LINE MISMATCH
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
If the stored configuration does not match the configuration stored in the controller.
| Possible Causes |
|---|
| VEHICLE CONFIGURATION NOT STORED IN THE BODY CONTROL MODULE (BCM) |
| CONTROL MODULE INSTALLED IN INCORRECT VEHICLE |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Body Control Module (BCM) is configured correctly.
The Body Control Module (BCM) detects a short condition in one of the CAN IHS Bus (125K) circuits for less than one second.
Ignition run time is greater than one second. Battery voltage between 9 and 16 volts. Engine run time greater than three seconds.
Bus messages not received from the Body Control Module (BCM) for greater than 1 second.
| Possible Causes |
|---|
| CAN B BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| BODY CONTROL MODULE (BCM) POWER AND GROUND |
| BCM NOT PROXIED CORRECTLY |
| BODY CONTROL MODULE (BCM) |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
The battery voltage between 10 and 16 Volts.
Body Control Module (BCM) is configured correctly.
Bus messages not received from the Body Control Module (BCM) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| BODY CONTROL MODULE (BCM) POWER AND GROUND |
| BCM NOT CONFIGURED CORRECTLY |
| BODY CONTROL MODULE (BCM) |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Body Control Module (BCM) is configured correctly.
Bus messages not received from the Instrument Cluster (IC) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS (+) CIRCUIT SHORTED TO VOLTAGE |
| CAN BUS (-) CIRCUIT SHORTED TO GROUND |
| INSTRUMENT CLUSTER (IC) POWER AND GROUND |
| BCM NOT CONFIGURED CORRECTLY |
| INSTRUMENT CLUSTER (IC) |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
The battery voltage is between 10 and 16 volts.
Body Control Module (BCM) is configured correctly.
Bus messages not received from the Radio for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| RADIO POWER AND GROUND |
| BCM NOT CONFIGURED CORRECTLY |
| RADIO |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
The battery voltage between 10 and 16 volts.
Powertrain Control Module (PCM) is configured correctly.
Whenever the communication data sent over the CAN BUS from the Powertrain Control Module (PCM) is missing part of the message, the message is corrupted, or the message is an irrational value.
| Possible Causes |
|---|
| POWERTRAIN CONTROL MODULE |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
The battery voltage between 10 and 16 volts.
Body Control Module (BCM) is configured correctly.
Whenever the communication data sent over the CAN BUS from the Body Control Module (BCM) is missing part of the message, the message is corrupted, or the message is an irrational value.
| Possible Causes |
|---|
| BODY CONTROL MODULE |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
The battery voltage between 10 and 16 volts.
Cabin Compartment Node (CCN) is configured correctly.
Whenever the communication data sent over the CAN BUS from the Cluster (CCN) is missing part of the message, the message is corrupted, or the message is an irrational value.
| Possible Causes |
|---|
| CABIN COMPARTMENT NODE (CCN) |
| MODULE THAT SET THIS DTC |
U11B8-00 LOST COMMUNICATION WITH INTEGRATED CENTER STACK (ICS)
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously when the ignition is on.
The battery voltage is between 10 and 16 volts.
Bus messages not received from the Integrated Center Stack (ICS) for approximately ten seconds.
| Possible Causes |
|---|
| INTEGRATED CENTER STACK POWER AND GROUND |
| INTEGRATED CENTER STACK |
| CAN IHS BUS (+) CIRCUIT OPEN |
| CAN IHS BUS (-) CIRCUIT OPEN |