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.
2008 Pontiac Solstice L4-2.4LFACTORY OEM SERVICE PROCEDURE
Engine Control Module: Testing and Inspection
Engine Control Module Programming and Setup
The following service procedures require either a programming or a setup event be performed for a complete repair.
ECM Replacement
If the engine control module (ECM) is replaced, the following procedures must be performed:
1. ECM Reprogramming-Refer to Service Programming System (SPS) (Programming and Relearning) .
2. Crankshaft Position (CKP) Variation Learn for 2.4L engine only-Refer to Crankshaft Position System Variation Learn (Service and Repair) .
3. Clutch Pedal Position Sensor Learn-Refer to Clutch Pedal Position Sensor Learn (Programming and Relearning) .
ECM Reprogramming
If the ECM needs to be reprogrammed, refer to Service Programming System (SPS) (Programming and Relearning) .
Setup for Component Replacement For 2.4L Engine Only
The replacement of some components will require a setup procedure for complete repair.
If any of the following components are replaced, a CKP Variation Learn Procedure must be performed. Refer to Crankshaft Position System Variation Learn (Service and Repair) .
* Engine replacement
* Any engine repair that disturbs the CKP sensor or it's relationship with the crankshaft reluctor wheel
* CKP sensor
Factory Service Tools
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.
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