Air Suspension System (W/ AVS)

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM (w/ AVS): U0100: Lost Communication with ECM / PCM "A"

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

DTC U0122 - Lost Communication with Vehicle Dynamics Control Module

DTC U0126 - Lost Communication with Steering Angle Sensor Module

DESCRIPTION

The suspension control ECU inputs signals from the skid control ECU and ECM via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system first.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC
(a) Clear the DTC Air Suspension System (w/ AVS).
(b) Perform a road test.
(c) Check if DTC U0100, U0122 or U0126 are output Air Suspension System (w/ AVS).

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 (HOW TO PROCEED WITH TROUBLESHOOTING)