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 MANUALSCHRYSLER2004PT CRUISER TOURING, 2.4 B, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 52 (ELECTRONIC CONTROL MODULES)MEMORY HEATED SEAT/MIRROR MODULEPRELIMINARY TEST
2004 Chrysler PT Cruiser Touring, 2.4 B, Automatic
Preliminary Test
2004 Chrysler PT Cruiser Touring, 2.4 B, AutomaticSECTION Preliminary Test
WARNING: This page is about a different car, the 2004 Dodge Intrepid, 2004 Chrysler Intrepid, 2004 Chrysler Concorde, and 2004 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
Before testing the individual components in the heated seat system, check the following:
- Using the DRB III(R) scan tool, check the memory heated seat/mirror module (MHSMM) for any stored fault codes. Record these codes on paper for reference and resolve using the appropriate Body Diagnostic Procedures Manual.
- Check the vehicles battery open-circuit voltage and charging system performance. If the vehicles electrical system is defective or weak it may not be suppling sufficient energy to operate the system in question.
- Test each of the circuits from the heated seat switch, elements, and sensors, to the MHSMM. Repair any shorts or open circuits as required.
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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.