DTC P1A6C GMC
Radar Signal Failure - Signal Shape Waveform Failure
Radar Signal Failure - Signal Shape Waveform Failure
Description
The ACC module includes the software needed for operating the Adaptive Cruise Control (ACC) and the Forward Collision Warning (FCW) functions. The ACC Module (radar located behind the front bumper) and the FFCM HALF Module (front camera located behind the windshield near the rear-view mirror) work together to manage these systems.
Cause and Solution
RADAR SENSOR OBSTRUCTEDRADAR SENSOR DAMAGEDRADAR SENSOR MISALIGED OR MOUNTED INCORRECTLYADAPTIVE CRUISE CONTROL (ACC) MODULE
Video Guide
Diagnostic Info
- DTC Code: P1A6C
- Brand: GMC