DTC C157C Cadillac
Brake Switch Circuit Low Input
Brake Switch Circuit Low Input
Description
Engine started, vehicle driven to a speed of over 20 mph for 6 seconds, then the vehicle speed was changed to 5-20 mph for 4 seconds, and then the vehicle speed was changed to less than 5 mph, and the PCM detected the Brake switch state remained in a low
Cause and Solution
A T brake switch signal circuit is open (check power from fuse)A T brake switch signal circuit is shorted to groundA T brake switch power circuit is open (check fuse EF 24)A T brake switch is damaged or has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: C157C
- Brand: Cadillac