Service Information

Volt

Symptoms - Seat Heating and Cooling

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

When diagnosing a heated seat system condition perform the Diagnostic System Check - Vehicle , before using the symptom tables in order to verify that all of the following are true:

•	There are no DTCs set.

•	The control module(s) can communicate via the serial data link.

Review the system operation in order to familiarize yourself with the system functions. Refer to Heated Seats Description and Operation .

•	Inspect for aftermarket devices which could affect the operation of the power seats. Refer to Checking Aftermarket Accessories .

•	Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

•	Inspect the seat adjuster track for conditions which may cause binding or objects within the seat adjustment range which obstruct movement or interfere with wiring.

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Refer to the Front Heated Seat Malfunction diagnostic procedure in order to diagnose the symptom.