Air Suspension System

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: U0100/71,U0114/71,U0122/71,U0124/71,U0126/71,U0140/71: Lost Communication with ECM/PCM "A"
U0140/71 - Lost Communication with Body Control Module

DESCRIPTION





When DTCs indicating a CAN communication system malfunction are output, repair CAN communication system first.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC

(a) Clear the DTCs Air Suspension System.

(b) Perform a road test.

(c) Check for DTCs Air Suspension System.

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 -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed With Troubleshooting

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting