HVAC Module
DTC INDEX
| DTC | Description | Action to Take |
|---|---|---|
| B1034:11 | Left Front Seat Heater Element: Circuit Short to Ground | REFER to SEATING . |
| B1034:13 | Left Front Seat Heater Element: Circuit Open | REFER to SEATING . |
| B1036:11 | Right Front Seat Heater Element: Circuit Short to Ground | REFER to SEATING . |
| B1036:13 | Right Front Seat Heater Element: Circuit Open | REFER to SEATING . |
| B1038:11 | Left Front Seat Heater Sensor: Circuit Short to Ground | REFER to SEATING . |
| B1038:12 | Left Front Seat Heater Sensor: Circuit Short to Battery | REFER to SEATING . |
| B103A:11 | Right Front Seat Heater Sensor: Circuit Short to Ground | REFER to SEATING . |
| B103A:12 | Right Front Seat Heater Sensor: Circuit Short to Battery | REFER to SEATING . |
| B1081:07 | Left Temperature Damper Motor: Mechanical Failure | INSPECT for binding/damaged linkage or door. REPAIR as necessary. If no condition is found, INSTALL a new LH temperature blend door actuator. REFER to CLIMATE CONTROL . CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| B1081:11 | Left Temperature Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST O . |
| B1081:12 | Left Temperature Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST O . |
| B1081:13 | Left Temperature Damper Motor: Circuit Open | GO to PINPOINT TEST O . |
| B1082:07 | Right Temperature Damper Motor: Mechanical Failure | INSPECT for binding/damaged linkage or door. REPAIR as necessary. If no condition is found, INSTALL a new RH temperature blend door actuator. REFER to CLIMATE CONTROL . CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| B1082:11 | Right Temperature Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST P . |
| B1082:12 | Right Temperature Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST P . |
| B1082:13 | Right Temperature Damper Motor: Circuit open | GO to PINPOINT TEST P . |
| B1083:07 | Recirculation Damper Motor: Mechanical Failure | INSPECT for binding/damaged linkage or door. REPAIR as necessary. If no condition is found, INSTALL a new air inlet mode door actuator. REFER to CLIMATE CONTROL . CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| B1083:11 | Recirculation Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST I . |
| B1083:12 | Recirculation Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST I . |
| B1083:13 | Recirculation Damper Motor: Circuit Open | GO to PINPOINT TEST I . |
| B1086:07 | Air Distribution Damper Motor: Mechanical Failure | INSPECT for binding/damaged linkage or door. REPAIR as necessary. If no condition is found, INSTALL a new defrost/panel/floor mode door actuator. REFER to CLIMATE CONTROL . CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| B1086:11 | Air Distribution Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST J . |
| B1086:12 | Air Distribution Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST J . |
| B1086:13 | Air Distribution Damper Motor: Circuit Open | GO to PINPOINT TEST J . |
| B10AF:12 | Blower Fan Relay: Circuit Short to Battery | GO to PINPOINT TEST Q . |
| B10AF:13 | Blower Fan Relay: Circuit Open | GO to PINPOINT TEST Q . |
| B10B9:12 | Blower Control: Circuit Short to Battery | GO to PINPOINT TEST R . |
| B10B9:14 | Blower Control: Circuit Short to Ground or Open | GO to PINPOINT TEST Q . |
| B11E5:11 | Left HVAC Damper Position Sensor: Circuit Short to Ground | GO to PINPOINT TEST O . |
| B11E5:15 | Left HVAC Damper Position Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST O . |
| B11E6:11 | Right HVAC Damper Position Sensor: Circuit Short to Ground | GO to PINPOINT TEST P . |
| B11E6:15 | Right HVAC Damper Position Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST P . |
| B11E7:11 | Air Distribution Damper Position Sensor: Circuit Short to Ground | GO to PINPOINT TEST J . |
| B11E7:15 | Air Distribution Damper Position Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST J . |
| B11F0:11 | Air Intake Damper Position Sensor: Circuit Short to Ground | GO to PINPOINT TEST I . |
| B11F0:15 | Air Intake Damper Position Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST I . |
| B127C:11 | Ambient Lighting Zone 2 Output Red LED: Circuit Short to Ground | REFER to INTERIOR LIGHTING . |
| B127C:12 | Ambient Lighting Zone 2 Output Red LED: Circuit Open | REFER to INTERIOR LIGHTING . |
| B127C:13 | Ambient Lighting Zone 2 Output Red LED: Circuit Open | REFER to INTERIOR LIGHTING . |
| B127F:11 | Ambient Lighting Zone 2 Output Green LED: Circuit Short to Ground | REFER to INTERIOR LIGHTING . |
| B127F:12 | Ambient Lighting Zone 2 Output Green LED: Circuit Short To Battery | REFER to INTERIOR LIGHTING . |
| B127F:13 | Ambient Lighting Zone 2 Output Green LED: Circuit Open | REFER to INTERIOR LIGHTING . |
| B1282:11 | Ambient Lighting Zone 2 Output Blue LED: Circuit Short to Ground | REFER to INTERIOR LIGHTING . |
| B1282:12 | Ambient Lighting Zone 2 Output Blue LED: Circuit Short To Battery | REFER to INTERIOR LIGHTING . |
| B1282:13 | Ambient Lighting Zone 2 Output Blue LED: Circuit Open | REFER to INTERIOR LIGHTING . |
| B12F2:11 | Ambient Lighting Zone 2 Output: Circuit Short to Ground | REFER to INTERIOR LIGHTING . |
| B12F2:12 | Ambient Lighting Zone 2 Output: Circuit Short To Battery | REFER to INTERIOR LIGHTING . |
| B12F2:13 | Ambient Lighting Zone 2 Output: Circuit Open | REFER to INTERIOR LIGHTING . |
| B1A61:11 | Cabin Temperature Sensor: Circuit Short to Ground | GO to PINPOINT TEST D . |
| B1A61:15 | Cabin Temperature Sensor: Circuit Short to Battery or Open | If only
DTC B1A61:15 is set, GO to PINPOINT TEST D
. If DTCs B1A61:15, B1A63:15 and B1A64:15 all set, GO to PINPOINT TEST T . |
| B1A63:11 | Right Solar Sensor: Circuit Short to Ground | GO to PINPOINT TEST E . |
| B1A63:15 | Right Solar Sensor: Circuit Short to Battery or Open | If only
DTC B1A63:15 is set, GO to PINPOINT TEST E
. If DTCs B1A61:15, B1A63:15 and B1A64:15 all set, GO to PINPOINT TEST T . |
| B1A64:11 | Left Solar Sensor: Circuit Short to Ground | GO to PINPOINT TEST E . |
| B1A64:15 | Left Solar Sensor: Circuit Short to Battery or Open | If only
DTC B1A64:15 is set, GO to PINPOINT TEST E
. If DTCs B1A61:15, B1A63:15 and B1A64:15 all set, GO to PINPOINT TEST T . |
| B1A69:11 | Humidity Sensor: Circuit Short to Ground | GO to PINPOINT TEST V . |
| B1A69:15 | Humidity Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST V . |
| B1B71:11 | Evaporator Temperature Sensor: Circuit Short to Ground | GO to PINPOINT TEST F . |
| B1B71:15 | Evaporator Temperature Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST F . |
| B1C83:11 | Rear Defog Relay: Circuit Short to Ground | REFER to GLASS, FRAMES AND MECHANISMS . |
| B1C83:13 | Rear Defog Relay: Circuit Open | REFER to GLASS, FRAMES AND MECHANISMS . |
| C1B14:11 | Sensor Supply Voltage A: Circuit Short to Ground | GO to PINPOINT TEST C . |
| C1B14:12 | Sensor Supply Voltage A: Circuit Short to Battery | GO to PINPOINT TEST C . |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to PINPOINT TEST S . |
| U0401:09 | Invalid Data Received From ECM/PCM A: Component Failure | This DTC can set due to a fault in the PCM. CARRY OUT a self-test of the PCM and DIAGNOSE any PCM DTCs present, REFER to ELECTRONIC ENGINE CONTROLS . |
| U0401:68 | Invalid Data Received From ECM/PCM A: Event Information | This DTC can set due to a fault in the PCM. CARRY OUT a self-test of the PCM and DIAGNOSE any PCM DTCs present, REFER to ELECTRONIC ENGINE CONTROLS . |
| U0401:81 | Invalid Data Received From ECM/PCM A: Invalid Serial Data Received | This DTC can set due to a fault in the PCM. CARRY OUT a self-test of the PCM and DIAGNOSE any PCM DTCs present, REFER to ELECTRONIC ENGINE CONTROLS . |
| U0401:82 | Invalid Data Received From ECM/PCM A: Alive/Sequence Counter Incorrect/Not Updates | This DTC can set due to a fault in the PCM. CARRY OUT a self-test of the PCM and DIAGNOSE any PCM DTCs present, REFER to ELECTRONIC ENGINE CONTROLS . |
| U0422:68 | Invalid Data Received From Body Control Module: Event Information | This DTC can set due to a fault in the BCM. CARRY OUT a self-test of the BCM and DIAGNOSE any BCM DTCs present, REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| U0422:81 | Invalid Data Received From Body Control Module: Invalid Serial Data Received | This DTC can set due to a fault in the BCM. CARRY OUT a self-test of the BCM and DIAGNOSE any BCM DTCs present, REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| U0423:82 | Invalid Data Received From Instrument Panel Cluster Control Module: Alive/Sequence Counter Incorrect/Not Updates | This DTC can set due to a fault in the IPC. CARRY OUT a self-test of the IPC and DIAGNOSE any IPC DTCs present, REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES . |
| U0554:82 | Invalid Data Received From Accessory Protocol Interface Module: Alive/Sequence Counter Incorrect/Not Updates | This DTC can set due to a fault in the APIM. CARRY OUT a self-test of the APIM and DIAGNOSE any APIM DTCs present, REFER to INFORMATION AND ENTERTAINMENT SYSTEMS - 4.2-INCH (107MM) SCREEN, 4 OR 6 SPEAKERS , INFORMATION AND ENTERTAINMENT SYSTEMS - 8-INCH (203MM) TOUCHSCREEN, 7 SPEAKERS or INFORMATION AND ENTERTAINMENT SYSTEMS - SONY SOUND 8-INCH (203MM) TOUCHSCREEN, 12 SPEAKERS . |
| U1000:00 | Solid State Driver Protection Activated - Driver Disabled: No Sub Type Information | The HVAC module has temporarily disabled an output because an excessive current draw exists (such as a short to ground). The HVAC module cannot enable the output until the cause of the short is corrected. ADDRESS all other DTCs first. After the cause of the concern is corrected, CLEAR the DTCs. REPEAT the self-test. |
| U2024:51 | Control Module Cal-Config Data: Not Programmed | CARRY OUT PMI on the HVAC module. REFER to MODULE CONFIGURATION . REPEAT the self-test. If PMI is successful, the DTC will not be present. If the DTC returns, INSTALL a new HVAC module. REFER to CLIMATE CONTROL . TEST the system for normal operation. |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | CARRY OUT PMI on the HVAC module. REFER to MODULE CONFIGURATION . REPEAT the self-test. If PMI is successful, the DTC will not be present. If the DTC returns, INSTALL a new HVAC module. REFER to CLIMATE CONTROL . TEST the system for normal operation. |
| U3000:49 | Control Module: Internal Electronic Failure | The module has permanently disabled an output because an excessive current draw fault (such as a short to ground) has exceeded the limits that the HVAC module can withstand. CORRECT the cause of the excessive current draw before a new HVAC module is installed. ADDRESS all other DTCs first . After the cause of the concern is corrected, INSTALL a new HVAC module. REFER to CLIMATE CONTROL . TEST the system for normal operation. |
| U3002:62 | Vehicle Identification Number: Signal Compare Failure | CARRY OUT PMI on the HVAC module. REFER to MODULE CONFIGURATION . REPEAT the self-test. If PMI is successful, the DTC will not be present. If the DTC returns, INSTALL a new HVAC module. REFER to CLIMATE CONTROL . TEST the system for normal operation. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to PINPOINT TEST G . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to PINPOINT TEST G . |