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Home >> Chevrolet >> 2001 >> Lumina >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L >> Diagnostic Tests >> DTC P1663: Change Oil Light Control Circuit >> Code Enable Criteria
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Code Enable Criteria

PCM will run diagnostic for this DTC when ignition is on. DTC will set when an improper voltage level has been detected on change engine oil light control circuit. Condition must be present for at least 30 seconds.

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