2003 Chrysler PT Cruiser L4-2.4L VIN BFACTORY OEM SERVICE PROCEDURE

D. Replace PCM - JR Vehicles

Factory service manual diagram




1. Disconnect the negative battery cable (Figure 4).

NOTE:
To enhance customer satisfaction, remember to reset the clock when you have completed the service procedure.

2. Disconnect the four (4) PCM electrical connectors and set the wiring harness aside (Figure 4).

3. Remove the two (2) PCM bracket fasteners and then remove the PCM and bracket assembly (Figure 4).

4. Remove the three (3) PCM bolts, then remove the PCM and discard it.

5. Install the new PCM on the bracket. Tighten the mounting bolts to 35 in-lbs (4 N.m).

6. Install the PCM and bracket assembly (Figure 4). Tighten the fasteners to 35 in-lbs (4 N.m).

7. Connect the four (4) PCM electrical connectors.

8. Connect the negative battery cable.

9. Continue with Section E - PCM/Vehicle Data Set-up.
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.

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