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.
Replace and Program Control Module
To program a replacement engine control module (ECM), perform the following procedure:
- Install EL-49642 SPS Programming Support Tool.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select ECM Control Module - Programming and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select ECM Control Module - Setup and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select ECM Control Module - Configuration and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select ECM Function - Learn/Setup and follow the on-screen instructions.
- At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
- With a scan tool, perform the Theft Deterrent Programming. Refer to Immobilizer System Component Programming .
- With a scan tool, perform the Brake Pedal Position Sensor Learn. Refer to Brake Pedal Position Sensor Learn .
- With a scan tool, perform the CKP System Variation Learn. Refer to Crankshaft Position System Variation Learn .
- With a scan tool, perform the Throttle/Idle Learn procedure. Refer to Q38 Throttle Body: Throttle/Idle Learn .
- With a scan tool, reset the Engine Oil Life Remaining back to the original percentage recorded before the control module was replaced, if available.
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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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