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.
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| B1081:11 | Left Temperature Damper Motor: Circuit Short to Ground | GO to Pinpoint Test M |
| B1081:12 | Left Temperature Damper Motor: Circuit Short to Battery | GO to Pinpoint Test M |
| B1083:11 | Recirculation Damper Motor: Circuit Short to Ground | GO to Pinpoint Test H |
| B1083:12 | Recirculation Damper Motor: Circuit Short to Battery | GO to Pinpoint Test H |
| B1086:11 | Air Distribution Damper Motor: Circuit Short to Ground | GO to Pinpoint Test I |
| B1086:12 | Air Distribution Damper Motor: Circuit Short to Battery | GO to Pinpoint Test I |
| B10B8:97 | Push Buttons: Component or System Operation Obstructed or Blocked | Buttons held too long may set this DTC. ATTEMPT to clean the buttons. CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test. If the DTC does not return, IGNORE the DTC and CONTINUE diagnosing other Diagnostic Trouble Codes (DTCs) or symptoms. If the DTC returns, INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module |
| B1A61:11 | Cabin Temperature Sensor: Circuit Short to Ground | GO to Pinpoint Test E |
| B1A61:15 | Cabin Temperature Sensor: Circuit Short to Battery or Open | GO to Pinpoint Test E |
| B1A69:11 | Humidity Sensor: Circuit Short to Ground | GO to Pinpoint Test E |
| B1A69:15 | Humidity Sensor: Circuit Short to Ground | GO to Pinpoint Test E |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to Pinpoint Test P |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | GO to Pinpoint Test Q |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module |
| U2101:00 | Control Module Configuration Incompatible | INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module |
| U3000:00 | Control Module: No Sub Type Information | INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module |