Air Suspension System

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: U0100: Lost Communication with ECM / PCM "A"

DTC U0100 - Lost Communication with ECM / PCM "A"

DTC U0101 - Lost Communication with TCM

DTC U0122 - Lost Communication with Vehicle Dynamics Control Module

DTC U0124 - Lost Communication with Lateral Acceleration Sensor Module

DTC U0126 - Lost Communication with Steering Angle Sensor Module

DTC U0130 - Lost Communication with Steering Effort Control Module

DTC U0132 - Lost Communication with Suspension Control ECU

DESCRIPTION

The suspension control ECU inputs signals from the skid control ECU, steering control ECU, steering angle sensor, yaw rate & acceleration sensor, ECM and TCM via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system first.






INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC
(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
(b) Perform a road test.
(c) Check for DTC 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
A -- GO TO CAN COMMUNICATION SYSTEM