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P1602

DTC P1602 CAN Communication BUS Problem with TCM (Time out)

DESCRIPTION

A communication line exists between the Engine Control Module (ECM) and the Transmission Control Module (TCM). The communication is through a Control Area Network (CAN).

Detecting Condition & Limp Home:




DTC DETECTING CONDITION

1. DTC Description
The ECM monitors CAN message transferred from TCM and sets DTC P1602 if ECM did not get any message during predetermined period.

If the same error code is set in the next driving cycle, the ECM illuminates the MIL.

2. Conditions for Setting the DTC

Step 1:




Inspection Procedure