OEM Heated Seat Control Module for 2016-2022 Buick, Cadillac, Chevrolet, & GMC

What to Look For When Buying

• Make sure the part is specifically designed for your vehicle's year, make, and model.
• Check for any visible damage to the module's housing or connectors.
• Verify that the module has been properly tested.

Quality Indicators

| Feature | Used OEM | New Aftermarket be more likely to be tested and inspected. | | Price | Usually lower than new. | Typically more expensive than used. What's Typically Included

• The heated seat control module itself.
• Some units may include mounting hardware.
• Installation instructions are usually not included.

Difficulty Level and Estimated Time

• Difficulty: Medium
• Estimated Time: 1-2 hours

Special Tools Needed

• Basic hand tools (screwdrivers, sockets, pliers)
• Trim panel removal tools (optional, but helpful)
• Scan tool (for clearing diagnostic trouble codes)

Critical Steps and Tips

1. Disconnect the negative battery cable before starting.
2. Locate the heated seat control module (usually under a seat or in the center console).
3. Carefully disconnect the wiring harness from the old module.
4. Remove the old module from its mounting location.
5. Install the new module in the reverse order.
6. Reconnect the wiring harness.
7. Reconnect the negative battery cable.
8. Use a scan tool to clear any diagnostic trouble codes.
9. Test the heated seats to ensure they are working properly.

DIY or Professional Installation?

• DIY is possible for mechanically inclined individuals.
• Professional installation is recommended if you are not comfortable working with electrical systems.

| Option | Description Used OEM: Best value - genuine factory parts, tested and inspected, at significantly lower prices. New Aftermarket: Brand new third-party parts built to OE specs.

• Heated Seat Element: The heating element in the seat cushion and backrest.
• Temperature Sensor: Measures the temperature of the heating element.
• Wiring Harness: Connects the control module to the seats and power source.
• Fuses: Protect the circuit from overloads.

Replacing related parts can prevent repeat failures by addressing underlying issues in the heated seat system. For example, a faulty temperature sensor can cause the control module to overheat and fail.

• The heated seat control module typically lasts 5-10 years.

Factors Affecting Longevity

• Frequency of use.
• Environmental conditions (temperature, humidity).
• Electrical system health.
• Quality of the original part.

• Used OEM: $50 - $150
• New Aftermarket: $80 - $200
• Labor Cost (if applicable): $50 - $150
• Total Job Cost Estimate: $100 - $350

• Some owners of these vehicles have reported issues with the heated seats failing prematurely.
• Check for any Technical Service Bulletins (TSBs) related to the heated seat system.
• Common complaints include the heated seats not getting hot enough or turning off unexpectedly.

How to Confirm Proper Operation

• Turn on the heated seats and check that the indicator lights illuminate.
• Feel the seat cushion and backrest to ensure they are heating up.
• Use a temperature gun to measure the surface temperature of the seats.
• Monitor the heated seats for any unusual behavior, such as turning off unexpectedly.

What to Look/Listen For

• The seats should heat up gradually and evenly.
• There should be no unusual noises or smells coming from the seats.
• The indicator lights should remain illuminated while the seats are in use.

Q: How do I know if the heated seat control module is the problem and not the heating element?
A: The easiest way is to use a scan tool to check for codes. If you get a code specifically related to the control module, that's a good sign it's the problem. You can also test the heating element for continuity with a multimeter. If the heating element has no continuity, it's likely the issue.

Q: Can I replace the heated seat control module myself?
A: Yes, if you have some mechanical skills and are comfortable working with electrical components. Disconnecting the battery is important.

Q: Will a used heated seat control module work just as well as a new one?
A: A used OEM module that has been tested and inspected can be a good option. It's a genuine factory part that should function correctly.

Q: Do I need to program the new heated seat control module after installing it?
A: In most cases, no programming is required. However, it's always a good idea to clear any diagnostic trouble codes after installation.

Q: What happens if I install the wrong heated seat control module?
A: The heated seats may not work at all, or they may not function properly. It's important to make sure the module is specifically designed for your vehicle.

OEM Part Numbers:

• GM: 13511138, 13516115, 13521013, 13594162, 13598421

Fits Years: 2016 2017 2018 2019 2020 2021 2022