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.
EEPROM Programming Procedure
Connect scan tool and retrieve information from PCM. Turn ignition off. Ensure battery is fully charged. Download latest program and calibration from ITCS. Turn ignition on. Reconnect scan tool and program PCM. Start engine and run engine for at least one minute. Check for DTCs. If PCM does not program, check all PCM connections and retry. If PCM still cannot be reprogrammed, replace PCM.
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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.