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.
Removal & Installation (Diesel)
Disconnect the negative battery cables. Remove engine cover. Disconnect harness connectors from powertrain control module (PCM). See Fig 1 . Remove PCM mounting nuts. Remove PCM from mounting bracket. Remove the PCM mounting hardware. To install, reverse removal procedure. Program as necessary. See PROGRAMMING . The MIL, anti-lock and brake lights will continue to be enabled until PCM is programmed. Once programming is complete, lights will be turned OFF and normal operation will occur.
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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.