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.
Powertrain Control Module: Installation
If the PCM is replaced of usage, update the mileage and vehicle identification number (VIN) in the new PCM. Use the DRBIII® scan tool to change the mileage and VIN in the PCM. If this step is not done a Diagnostic Trouble Code (DTC) may be set. Refer to POWERTRAIN DIAGNOSTIC PROCEDURES and the DRBIII® scan tool.
- Install PCM and tighten bolts.
- Install the three connector to PCM.
- Install the cleaner assembly, refer to MECHANICAL - 8.3L - VIPER for more information.
- Connect negative battery cable and reprogram radio and clock.
- Using DRBIII® scan tool, program mileage and vehicle identification number (VIN) into PCM. Refer toPOWERTRAIN DIAGNOSTIC PROCEDURES the DRBIII® scan tool and .
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
