Rear Heating Ventilation Air Conditioning 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 | Description | Action to Take |
|---|---|---|
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to Pinpoint Test Z . |
| U0164:00 | Lost Communication With HVAC Control Module: No Sub Type Information | REFER to Module Communications Network to diagnose lost communication with the HVAC module. |
| U0422:68 | Invalid Data Received From Body Control Module: Event Information | RETRIEVE and REPAIR all non-network DTCs in the BCM. REFER to Multifunction Electronic Modules DTC Chart. |
| U3000:41 | Control Module: General Checksum Failure | INSTALL a new Rear Heating Ventilation Air Conditioning (RHVAC) module. REFER to Auxiliary Climate Control . |
| 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 . |
| All Other DTCs | - | REFER to Multifunction Electronic Modules . |