DTC P1627 - Engine Control Module (ECM)/Traction Control System (TCS) Line Communication Error: Condition
DTC is set when no pulse signal is input to ECM at 4 MPH or greater. Possible causes are:
- ABS/TCS control module malfunction.
- Open or short circuit between terminal No. 1Q on ECM and terminal No. 2S on ABS/TCS control module.