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2002
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SC 430
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Repair and Diagnosis
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P1633: ECM Malfunction
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Circuit Description
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Circuit Description
DTC P1633 is set when ECM malfunctions. Possible cause is faulty ECM.