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P0650 GMC -

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P0650 '04 Bonnevile. What are probable causes and ultimate repair for this warning code?

Vehicle: 2004, Pontiac Bonneville, V-6 3800

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P0650 Malfunction indicator lamp control circuit malfunction, Means the lamp doesnt come on,first is to check the buld,wire harness to the ECM, the ulimate is ECM

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