RHVAC Control Module
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. For information about these practices, Refer to: Diagnostic Methods
RHVAC Control Module DTC CHART
| DTC | Description | Action |
|---|---|---|
| B10B8:63 | Push Buttons: Circuit / Component Protection Time-Out | Buttons held too long may set this DTC. ATTEMPT to clean 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 RHVAC control module. REFER to: Rear Heating, Ventilation and Air Conditioning (RHVAC) Control Module |
| 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 | GO to Pinpoint Test AA |
| U0247:00 | Lost Communication With Seat Control Module "F": No Sub Type Information | GO to Pinpoint Test AG |
| U0422:68 | Invalid Data Received From Body Control Module: Event Information | GO to Pinpoint Test Z |
| U3000:41 | Control Module: General Checksum Failure | CLEAR the Diagnostic Trouble Codes (DTCs). WAIT at least 10 seconds. REPEAT the self-test. If DTC U3000:41 is retrieved again, INSTALL a new RHVAC control module. REFER to: Rear Heating, Ventilation and Air Conditioning (RHVAC) Control Module |
| U3000:42 | Control Module: General Memory Failure | CLEAR the Diagnostic Trouble Codes (DTCs). WAIT at least 10 seconds. REPEAT the self-test. If DTC U3000:42 is retrieved again, INSTALL a new RHVAC control module. REFER to: Rear Heating, Ventilation and Air Conditioning (RHVAC) Control Module |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to Pinpoint Test AB |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to Pinpoint Test AC |