DTC P1655 GMC
Engine Control Module (ECM) Indicated TCS Malfunction
Engine Control Module (ECM) Indicated TCS Malfunction
Description
Engine running.
Cause and Solution
The ECM detects a fault that prevents it from performing a traction control function and sends a serial data message to the EBCM indicating that torque reduction is not allowed.
Video Guide
Diagnostic Info
- DTC Code: P1655
- Brand: GMC