2005 Chrysler 300 BaseFACTORY OEM SERVICE PROCEDURE

Heated Seat Module: Description

WARNING: This page is about a different car, the 2004 Dodge Grand Caravan, 2004 Dodge Caravan, and 2004 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

Vehicles equipped with heated seats utilize two heated seat modules. The heated seat modules (Fig 1) are located under the front seats, where they are secured to the seat cushion pans. The left heated seat module controls the left heated seat, and the right controls the right. Each heated seat module has three connector receptacles that allow the modules to be connected to all of the required inputs and outputs through the seat wire harness.

Fig 1: Identifying Heated Seat Module
G02676614Courtesy of DAIMLERCHRYSLER CORP.

The heated seat modules are an electronic microprocessor controlled device designed and programmed to use inputs from the ignition switch, heated seat switch and the heated seat sensor to operate and control the heated seat elements in the front seat.

The heated seat modules cannot be repaired. If either of the heated seat modules are damaged or faulty, the entire module must be replaced.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.