DTC C12BA GMC
Knock Sensor Power Source Circuit Low Input
Knock Sensor Power Source Circuit Low Input
Description
Key on or engine running, and the PCM detected a low input on the Knock Sensor Power Source circuit during the CCM test.
Cause and Solution
Knock sensor power source circuit is openKnock sensor power source circuit is shorted to groundPCM has failed
Video Guide
Diagnostic Info
- DTC Code: C12BA
- Brand: GMC