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.
2002 Chrysler PT Cruiser Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Removal & Installation
- Powertrain Control Module (PCM) is located in left rear of engine compartment, near air filter housing. See Fig 1. Remove air cleaner lid. Disconnect inlet air temperature sensor and air hose.
- Disconnect negative battery cable. Remove PCM mounting screws. Disconnect PCM harness connectors. Lift PCM upward to remove.
- To install, reverse removal procedure. Tighten PCM mounting screws to specification. See TORQUE SPECIFICATIONS . Program PCM as necessary. See PROGRAMMING .
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:
- • 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.