INSPECTION PROCEDURE
PROCEDURE
1. CHECK FOR DTC
(a) Check for DTCs See: Transmission and Drivetrain/Transfer Case/Testing and Inspection/Reading and Clearing Diagnostic Trouble
Codes.
(b) Record the output DTCs (4WD control system).
HINT
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before
repairing each corresponding sensor.
NEXT -- GO TO CAN COMMUNICATION SYSTEM See: Diagnostic Trouble Code Descriptions/CAN Communication System
Up to 08/2009
SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: U0100-U0122,U0124,U0140: Lost Communication with ECM / PCM "A"
U0140 - Lost Communication with Main Body ECU
DESCRIPTION
The suspension control ECU inputs signals from the skid control ECU, yaw rate sensor, ECM, TCM and main body ECU via CAN communication.
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