Heating, Ventilation, and Air Conditioning (HVAC) Module
HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) MODULE - DATC DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1034:11 | Left Front Seat Heater Element: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE L . |
| B1034:13 | Left Front Seat Heater Element: Circuit Open | REFER to DIAGNOSTIC ROUTINE L . |
| B1036:11 | Right Front Seat Heater Element: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE M . |
| B1036:13 | Right Front Seat Heater Element: Circuit Open | REFER to DIAGNOSTIC ROUTINE M . |
| B1038:11 | Left Front Seat Heater Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE L . |
| B1038:12 | Left Front Seat Heater Sensor: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE L . |
| B1038:13 | Left Front Seat Heater Sensor: Circuit Open | REFER to DIAGNOSTIC ROUTINE L . |
| B103A:11 | Right Front Seat Heater Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE M . |
| B103A:12 | Right Front Seat Heater Sensor: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE M . |
| B103A:13 | Right Front Seat Heater Sensor: Circuit Open | REFER to DIAGNOSTIC ROUTINE M . |
| 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 Left Hand (LH) temperature blend door actuator. REFER to TEMPERATURE BLEND DOOR ACTUATOR - LH . |
| B1081:11 | Left Temperature Damper Motor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE P . |
| B1081:12 | Left Temperature Damper Motor: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE P . |
| B1081:13 | Left Temperature Damper Motor: Circuit Open | REFER to DIAGNOSTIC ROUTINE P . |
| 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 Right Hand (RH) temperature blend door actuator. REFER to TEMPERATURE BLEND DOOR ACTUATOR - RH . |
| B1082:11 | Right Temperature Damper Motor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE Q . |
| B1082:12 | Right Temperature Damper Motor: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE Q . |
| B1082:13 | Right Temperature Damper Motor: Circuit Open | REFER to DIAGNOSTIC ROUTINE Q . |
| 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 door actuator. REFER to MODE DOOR ACTUATOR - DEFROST-PANEL-FLOOR DOOR . |
| B1083:11 | Recirculation Damper Motor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE J . |
| B1083:12 | Recirculation Damper Motor: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE J . |
| B1083:13 | Recirculation Damper Motor: Circuit Open | REFER to DIAGNOSTIC ROUTINE J . |
| 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 door actuator. REFER to MODE DOOR ACTUATOR - DEFROST-PANEL-FLOOR DOOR . |
| B1086:11 | Air Distribution Damper Motor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE K . |
| B1086:12 | Air Distribution Damper Motor: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE K . |
| B1086:13 | Air Distribution Damper Motor: Circuit Open | REFER to DIAGNOSTIC ROUTINE K . |
| B10AF:12 | Blower Fan Relay: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B10AF:13 | Blower Fan Relay: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B10B0:12 | Rear Blower Fan Relay: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE A . |
| B10B0:13 | Rear Blower Fan Relay: Circuit Open | REFER to DIAGNOSTIC ROUTINE A . |
| B10B7:11 | Rear Air Discharge Temperature: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE C . |
| B10B7:15 | Rear Air Discharge Temperature: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE C . |
| B10B9:12 | Blower Control: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE S . |
| B10B9:14 | Blower Control: Circuit Short to Ground or Open | REFER to DIAGNOSTIC ROUTINE R . |
| B10BA:12 | Rear Blower Control: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE B . |
| B10BA:14 | Rear Blower Control: Circuit Short to Ground or Open | If the rear blower motor does not operate, REFER to DIAGNOSTIC ROUTINE A
. If the rear blower motor is always on HIGH, REFER to DIAGNOSTIC ROUTINE B . |
| B11E3:07 | Rear HVAC Damper Motor: Mechanical Failure | INSPECT for binding/damaged linkage or door. REPAIR as necessary. If no condition is found, INSTALL a new auxiliary temperature blend door actuator. REFER to AUXILIARY TEMPERATURE BLEND DOOR ACTUATOR . |
| B11E3:11 | Rear HVAC Damper Motor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE C . |
| B11E3:12 | Rear HVAC Damper Motor: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE C . |
| B11E3:13 | Rear HVAC Damper Motor: Circuit Open | REFER to DIAGNOSTIC ROUTINE C . |
| B11E4:07 | Rear Air Distribution Damper Motor: Mechanical Failure | INSPECT for binding/damaged linkage or door. REPAIR as necessary. If no condition is found, INSTALL a new auxiliary mode door actuator. REFER to AUXILIARY MODE DOOR ACTUATOR . |
| B11E4:11 | Rear Air Distribution Damper Motor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE D . |
| B11E4:12 | Rear Air Distribution Damper Motor: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE D . |
| B11E4:13 | Rear Air Distribution Damper Motor: Circuit Open | REFER to DIAGNOSTIC ROUTINE D . |
| B11E5:11 | Left HVAC Damper Position Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE P . |
| B11E5:15 | Left HVAC Damper Position Sensor: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE P . |
| B11E6:11 | Right HVAC Damper Position Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE Q . |
| B11E6:15 | Right HVAC Damper Position Sensor: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE Q . |
| B11E7:11 | Air Distribution Damper Position Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE K . |
| B11E7:15 | Air Distribution Damper Position Sensor: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE K . |
| B11EB:11 | Rear HVAC Temperature Control Input: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE E . |
| B11EB:15 | Rear HVAC Temperature Control Input: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE E . |
| B11EC:11 | Rear HVAC Blower Control Input: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE E . |
| B11EC:15 | Rear HVAC Blower Control Input: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE E . |
| B11F0:11 | Air Intake Damper Position Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE J . |
| B11F0:15 | Air Intake Damper Position Sensor: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE J . |
| B121D:11 | Rear HVAC Mode Control Input: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE E . |
| B121D:15 | Rear HVAC Mode Control Input: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE E . |
| B127B:11 | Ambient Lighting Zone 1 Output Red LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B127B:12 | Ambient Lighting Zone 1 Output Red LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B127B:13 | Ambient Lighting Zone 1 Output Red LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B127C:11 | Ambient Lighting Zone 2 Output Red LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B127C:12 | Ambient Lighting Zone 2 Output Red LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B127C:13 | Ambient Lighting Zone 2 Output Red LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B127D:11 | Ambient Lighting Zone 3 Output Red LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B127D:12 | Ambient Lighting Zone 3 Output Red LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B127D:13 | Ambient Lighting Zone 3 Output Red LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B127E:11 | Ambient Lighting Zone 1 Output Green LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B127E:12 | Ambient Lighting Zone 1 Output Green LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B127E:13 | Ambient Lighting Zone 1 Output Green LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B127F:11 | Ambient Lighting Zone 2 Output Green LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B127F:12 | Ambient Lighting Zone 2 Output Green LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B127F:13 | Ambient Lighting Zone 2 Output Green LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B1280:11 | Ambient Lighting Zone 3 Output Green LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B1280:12 | Ambient Lighting Zone 3 Output Green LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B1280:13 | Ambient Lighting Zone 3 Output Green LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B1281:11 | Ambient Lighting Zone 1 Output Blue LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B1281:12 | Ambient Lighting Zone 1 Output Blue LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B1281:13 | Ambient Lighting Zone 1 Output Blue LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B1282:11 | Ambient Lighting Zone 2 Output Blue LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B1282:12 | Ambient Lighting Zone 2 Output Blue LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B1282:13 | Ambient Lighting Zone 2 Output Blue LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B1283:11 | Ambient Lighting Zone 3 Output Blue LED: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B1283:12 | Ambient Lighting Zone 3 Output Blue LED: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B1283:13 | Ambient Lighting Zone 3 Output Blue LED: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B12F1:11 | Ambient Lighting Zone 1 Output: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B12F1:12 | Ambient Lighting Zone 1 Output: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B12F1:13 | Ambient Lighting Zone 1 Output: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B12F2:11 | Ambient Lighting Zone 2 Output: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B12F2:12 | Ambient Lighting Zone 2 Output: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B12F2:13 | Ambient Lighting Zone 2 Output: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B1321:11 | Ambient Lighting Zone 3 Output: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE R . |
| B1321:12 | Ambient Lighting Zone 3 Output: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE R . |
| B1321:13 | Ambient Lighting Zone 3 Output: Circuit Open | REFER to DIAGNOSTIC ROUTINE R . |
| B1A61:11 | Cabin Temperature Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE D . |
| B1A61:15 | Cabin Temperature Sensor: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE D . |
| B1A63:11 | Right Solar Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE E . |
| B1A63:15 | Right Solar Sensor: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE E . |
| B1A64:11 | Left Solar Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE E . |
| B1A64:15 | Left Solar Sensor: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE E . |
| B1B71:11 | Evaporator Temperature Sensor: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE F . |
| B1B71:15 | Evaporator Temperature Sensor: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE F . |
| B1B7D:11 | Rear Air Distribution Actuator: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE D . |
| B1B7D:15 | Rear Air Distribution Actuator: Circuit Short to Battery or Open | REFER to DIAGNOSTIC ROUTINE D . |
| B1C83:11 | Rear Defog Relay: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE F . |
| B1C83:12 | Rear Defog Relay: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE E . |
| B1C83:13 | Rear Defog Relay: Circuit Open | REFER to DIAGNOSTIC ROUTINE E . |
| C1B14:11 | Sensor Supply Voltage A: Circuit Short to Ground | REFER to DIAGNOSTIC ROUTINE C . |
| C1B14:12 | Sensor Supply Voltage A: Circuit Short to Battery | REFER to DIAGNOSTIC ROUTINE C |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | REFER to DIAGNOSTIC ROUTINE G . |
| U0401:09 | Invalid Data Received From ECM/PCM A: Component Failure | RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the Powertrain Control Module (PCM), REFER to DTC CHART: POWERTRAIN CONTROL MODULE (PCM) . |
| U0401:68 | Invalid Data Received From ECM/PCM A: Event Information | RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the Powertrain Control Module (PCM), REFER to DTC CHART: POWERTRAIN CONTROL MODULE (PCM) . |
| U0401:81 | Invalid Data Received From ECM/PCM A: Invalid Serial Data Received | RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the Powertrain Control Module (PCM), REFER to DTC CHART: POWERTRAIN CONTROL MODULE (PCM) . |
| U0401:82 | Invalid Data Received From ECM/PCM A: Alive/Sequence Counter Incorrect/Not Updated | RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the Powertrain Control Module (PCM), REFER to DTC CHART: POWERTRAIN CONTROL MODULE (PCM) . |
| U0422:68 | Invalid Data Received From Body Control Module: Event Information | RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the Body Control Module (BCM), REFER to DTC CHART: BODY CONTROL MODULE (BCM) . |
| U0422:81 | Invalid Data Received From Body Control Module: Invalid Serial Data Received | RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the Body Control Module (BCM), REFER to DTC CHART: BODY CONTROL MODULE (BCM) . |
| U0423:82 | Invalid Data Received From Instrument Panel Cluster Control Module: Alive/Sequence Counter Incorrect/Not Updated | RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the Instrument Panel Cluster (IPC), REFER to DTC CHART: INSTRUMENT PANEL CLUSTER (IPC) . |
| U1000:00 | Solid State Driver Protection Activated - Driver Disabled: No Sub Type Information | The Heating, Ventilation, and Air Conditioning (HVAC) module has temporarily disabled an output because an excessive current draw exists (such as a short to ground). The Heating, Ventilation, and Air Conditioning (HVAC) module cannot enable the output until the cause of the short is corrected. ADDRESS all other Diagnostic Trouble Codes (DTCs) first. After the cause of the concern is corrected, CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. |
| U2024:51 | Control Module Cal-Config Data: Not Programmed | CHECK the vehicle service history for recent service actions related to this module. This Diagnostic Trouble Code (DTC) sets due to incomplete or incorrect Programmable Module Installation (PMI) procedures. If there have been recent service actions with this module, REPEAT the Programmable Module Installation (PMI) procedure as directed by the scan tool. If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data. |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | CHECK the vehicle service history for recent service actions related to this module. This Diagnostic Trouble Code (DTC) sets due to incomplete or incorrect Programmable Module Installation (PMI) procedures. If there have been recent service actions with this module, REPEAT the Programmable Module Installation (PMI) procedure as directed by the scan tool. If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data. |
| U3000:41 | Control Module: General Checksum Failure | INSTALL a new Heating, Ventilation, and Air Conditioning (HVAC) module. REFER to HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE . |
| U3000:49 | Control Module: Internal Electronic Failure | ADDRESS all other Diagnostic Trouble Codes (DTCs) first. CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If Diagnostic Trouble Code (DTC) U3000:49 is retrieved again, INSTALL a new Heating, Ventilation, and Air Conditioning (HVAC) module. REFER to HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE . |
| U3002:62 | Vehicle Identification Number: Signal Compare Failure | CARRY OUT Programmable Module Installation (PMI) on the Heating, Ventilation, and Air Conditioning (HVAC) module using the scan tool. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | REFER to DIAGNOSTIC ROUTINE H . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | REFER to DIAGNOSTIC ROUTINE H . |