DESCRIPTION
The 4WD ECU assembly receives signals from the ECM, skid control ECU (brake actuator assembly) and steering sensor via CAN communication.
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
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U0100 | Lost Communication with ECM / PCM "A" |
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U0126 | Lost Communication with Steering Angle Sensor Module |
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U0129 | Lost Communication with Brake System Control Module |
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PROCEDURE
1. | CHECK FOR DTC |
(a) Check for DTCs.
Click here
(b) Write down any output DTCs.
NEXT | ![]() | GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
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