NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT)
OK -- REPLACE SUSPENSION CONTROL ECU
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.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK DTC
(a) Clear the DTC See: Steering and Suspension/Suspension/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
(b) Perform a road test.
(c) Check for DTC See: Steering and Suspension/Suspension/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
Result:
HINT
If a CAN communication malfunction DTC and a related sensor malfunction DTC are output at the same time, the CAN
communication malfunction must be repaired before troubleshooting the sensor malfunction DTC.
B -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
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