DTC 53

Code 53: ECM Communication Circuit Malfunction, DTC Chart:

ECM Communication Circuit Malfunction, Wiring Diagram:

ECM Communication Circuit Malfunction, Inspection Procedure:

CIRCUIT DESCRIPTION
This circuit is used to send TRAC control information from the ABS & TRAC ECU to the ECM (TRA), and engine control information from the ECM to the ABS & TRAC ECU (EFI+, EFI-).