Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Module, Heated Seat (HSM): Operation
The Heated Seat Module (HSM) is used to control the functions of the following systems:
- Vented Seats Refer to VENTED SEATS, OPERATION .
- Heated Seats Refer to HEATED SEATS, OPERATION .
- Heated Steering Wheel Refer to HEATED STEERING WHEEL, OPERATION .
When equipped with a leather wrapped heated steering wheel and replacement of a Heated Seat Module (HSM) is required, the new HSM must be manually configured with a scan tool. Failure to follow these instruction may result in damage to the heated steering wheel.
The HSM will automatically configure itself to the heated and vented systems that are installed on the vehicle, with one exception. When equipped with a leather wrapped heated steering wheel, the HSM must be manually configured to the leather steering wheel option, using a scan tool.
The HSM will only be on with the engine running. Therefore the heated seats, vented seats, and heated steering wheel will only operate with the engine running. Seat heating and seat venting are independent systems; however, they cannot be actuated at the same time. Turning the vented seats on when the heated seat are already on will turn off the heated seats and vice versa. The heated steering wheel can be on at the same time as either the heated or the vented seats.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.