Symptoms - Electronic Suspension Control

Symptoms - Electronic Suspension Control

Important: The following steps must be completed before using the symptom tables.


1. Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) before using the symptom table in order to verify that all of the following are true:


* There are no DTCs set.

* The control modules can communicate via the serial data link.


2. Review the system operation in order to familiarize yourself with the system functions. Refer to Electronic Suspension Control Description and Operation (Description and Operation) .





Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the electronic suspension control (ESC) system. Refer to Checking Aftermarket Accessories (Component Tests and General Diagnostics) .
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
* Inspect the connectors to be properly seated and free of corrosion.



Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics) .


Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:


Soft and Non-Uniform Ride (Soft and Non-Uniform Ride)