U0401

U0401 ECM CAN 1

Description
ICC sensor integrated unit and ECM exchange ECM system-related signals with CAN communication.

NOTE: If DTC U0401 is detected along with DTC U1000, first diagnose the DTC U1000. Refer to, "Diagnosis Procedure". U1000

DTC Logic




DTC DETECTION LOGIC

Step 1-6:

Step 6 (Continued):

Diagnosis Procedure