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.
Diagnostic Test
- PCM NOT PROGRAMMED
Ignition on, engine not running.
Program the PCM in accordance with the Service Information.
Start the engine.
Allow the engine to reach normal operating temperature.
With a scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Replace and program the Powertrain Control Module per Service Information.
- Perform PCM VERIFICATION TEST .
No
- The PCM has been successfully programmed. Test is complete.
- Perform PCM VERIFICATION TEST .
NO RELATED
Use the Manual With the Right Hardware
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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.