DTC B1440 Dodge
A C Relay Control Circuit Malfunction
A C Relay Control Circuit Malfunction
Description
Key on or engine running; and the PCM detected an unexpected voltage condition on the A C Relay control circuit for 30 seconds during the CCM test.
Cause and Solution
A C relay control circuit is open, shorted to ground or to B+A C relay power circuit is open (check the HVAC RLY fuse)A C relay is damaged or has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: B1440
- Brand: Dodge