Dashboard showing heated seats light in need of car seat repair

Tips On GM Car Seat Repair

A common problem in many GM vehicles is having the heated seats not working. If the heated seats aren't warming and turn off after being turned on in your Chevy, GMC, Buick, or Cadillac, the computer module might need a reset. Learn how to repair your heated car seat by resetting the computer module by turning it on and off with these steps, and what to do if resetting the module does not work.

Signs the Heated Seats Are Not Working in Your GM

Heated seats lights on. Diagnosing the need for car seat repair.
Heated seats button
  • The button for the heated seats on the driver or passenger side turns on briefly and then turns off

Causes of the Heated Seats Not Working in GM Vehicles

If there is a problem with the heated seats in your GM, there is a problem with the memory seat control module, which is the computer that controls the heated seats.

How to Repair Heated Car Seats That Are Not Working

Check the Memory Seat Control Module for Trouble Codes

advanced scan tool

You can check the memory seat control module for codes with an advanced scan tool that's capable. Codes can help explain why the heated seats are not working, but the module will not always read for a code with this problem.

How to Reset the Control Module

Resetting the control module may or may not be a temporary fix. If the problem persists, the module most likely needs to be replaced, and they generally need to be programmed by a dealership. Sometimes to can't help it and need to rely on the experts for car seat repair.

The control module is underneath the driver's seat and looks like a black box. It is difficult to reach and disconnect, so we recommend disconnecting the connector to the seat.

seat connector
Seat Connector

How to Disconnect the Seat's Electrical Connector

  1. Move the Seat Forward

    Move the seat forward all the way to access the seat's connector

  2. Pry Up the Electrical Connector from the Carpet

    Pry up the electrical connector from the carpet with a trim tool

  3. Disconnect the Connector for 5 Minutes

    Disconnect the connector for 5 minutes to reset the module

  4. Reinstall the Connector

    Reverse steps 1-3 to reconnect the seat connector

  5. Test the Seat Warmers

    Restart the vehicle and see if the seat warmer is working

Makes This Article Applies to

  • GMC
  • Buick
  • Chevrolet
  • Cadillac
Fix your GM vehicle with quality auto parts at 1aauto.com

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Summary

Heated Seats Not Working? Tips On GM Car Seat Repair

Article Name

Heated Seats Not Working? Tips On GM Car Seat Repair

Description

A common problem in many GM vehicles is having the heated seats not working. If the heated seats aren't warming and turn off after being turned on in your Chevy, GMC, Buick, or Cadillac, the computer module might need a reset. Learn how to repair your heated car seat by resetting the computer module by turning it on and off with these steps, and what to do if resetting the module does not work.

Author

1A Auto Team

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1A Auto

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1A Auto