DTC P258C Buick
Loss of Communications with PCM
Loss of Communications with PCM
Description
Conditions for Setting the DTC. The DTC may be set any time the ignition is in the ON position and the PCM does not communicate with the EBCM for 5 seconds.
Cause and Solution
Perform a thorough inspection of the wiring and connectors. Failure to carefully and fully inspect wiring and connectors may result in misdiagnosis, causing unnecessary part replacement with reappearance of the malfunction.An intermittent problem m
Video Guide
Diagnostic Info
- DTC Code: P258C
- Brand: Buick