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.
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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSENGINE CONTROL MODULE PROGRAMMING AND SETUPECM REPLACEMENT
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
ECM Replacement
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION ECM Replacement
If the engine control module (ECM) is replaced, the following procedures must be performed:
- ECM Reprogramming-Refer to Service Programming System (SPS) .
- Crankshaft Position (CKP) Variation Learn-Refer to CKP System Variation Learn Procedure in Engine Controls.
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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.