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.
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HOMESERVICE MANUALSCHRYSLER2007ASPEN 2WD V8-4.7L FLEX FUELREPAIR AND DIAGNOSISBODY AND FRAMESEATSSEAT TEMPERATURE CONTROL MODULEDESCRIPTION AND OPERATIONMODULE-HEATED SEATOPERATION
2007 Chrysler Aspen 2WD V8-4.7L Flex Fuel
Operation
2007 Chrysler Aspen 2WD V8-4.7L Flex FuelSECTION Operation
OPERATION
The heated seat module operates on fused battery current received from the ignition switch. The module is grounded at all times through a ground lug on the right rear D-pillar. Inputs to the module include CAN bus messages and standard hardwired 12volt power and ground. In response to those inputs the heated seat module controls the battery current to the heated seat elements.
When a heated seat switch CAN bus signal is received by the heated seat module, the module energizes the selected heated seat element. The Low heat set point is about 38° C (100.4° F), and the High heat set point is about 42° C (107.6° F).
If the heated seat module detects a heated seat element OPEN or SHORT circuit, it will record and store an diagnostic trouble code (DTC).
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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.