DTC P1644 Cadillac
Traction Control Delivered Torque Output Circuit Malfunction
Traction Control Delivered Torque Output Circuit Malfunction
Description
Key on or engine running in closed loop, brake pedal not applied, and the PCM detected an unexpected voltage condition on the Delivered Torque Output circuit for 10 seconds during the CCM test. The EBCM controls the PWM signal on the Desired Torque circui
Cause and Solution
Delivered torque circuit is open, shorted to ground or to B+EBCM is damaged or has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: P1644
- Brand: Cadillac