Symptoms - Seat Heating and Cooling

Symptoms - Seat Heating and Cooling

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


1. Perform the Diagnostic System Check - Vehicle 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 modules can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following system descriptions:

* Heated Seats Description and Operation (KA1) Heated Seats (KA1)Heated Seats Description and Operation (KA6) Heated Seats (KA6)
* Heated/Cooled Seats Description and Operation Heated/Cooled Seats

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the system. Refer to Checking Aftermarket Accessories Checking Aftermarket Accessories.
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

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

Symptom List

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

* Heated Seat Inoperative (Chevrolet or GMC, KA1) Heated Seat Inoperative (KA1)Heated Seat Inoperative (Cadillac, KA1) Heated Seat Inoperative (KA1)
* Heated Seat Inoperative - Rear Heated Seat Inoperative - Rear
* Heated/Cooled Seats Inoperative (Cadillac, KB6) Heated/Cooled Seats Inoperative (KB6)Heated/Cooled Seats Inoperative (Chevrolet or GMC, KB6) Heated/Cooled Seats Inoperative (KB6)