Vehicle Stability Control System (w/o VDIM)
DTC C1203/53 ECM Communication Circuit MalfunctionDESCRIPTION
DTC Detection Condition:
The circuit is used to send TRAC and VSC control information from the skid control ECU to the ECM, and engine control information from the ECM to the skid control ECU.
Step 1:
INSPECTION PROCEDURE