HVAC Module
NOTE:
Some PCM DTCs may inhibit A/C operation. If any PCM DTCs are retrieved, diagnose those first. Refer to the PCM DTC Chart.
HVAC MODULE DTC CHART
| DTC | Description | Action to Take |
|---|---|---|
| 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 . |
| 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 . |
| 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 . |
| B10B8:97 | Push Buttons: Component or System Operation Obstructed or Blocked | Buttons held too long may set this DTC. ATTEMPT to clean buttons. CLEAR the DTCs and REPEAT the self-test. If the DTC does not return, IGNORE the DTC and CONTINUE diagnosing other DTCs or symptoms. If the DTC returns, INSTALL a new HVAC module. REFER to HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE . |
| 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 | GO to PINPOINT TEST D . |
| B1A69:11 | Humidity Sensor: Circuit Short to Ground | GO to PINPOINT TEST E . |
| B1A69:15 | Humidity Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST E . |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to PINPOINT TEST R . |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | GO to PINPOINT TEST S . |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | CARRY OUT Programmable Module Installation (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 HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE . |
| U2101:00 | Control Module Configuration Incompatible | CARRY OUT Programmable Module Installation (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 HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE . |
| U3000:00 | Control Module: No Sub Type Information | INSTALL a new HVAC module. REFER to HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE . |