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Home >> Saturn >> 1996 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P1639 - A/D Failure >> Diagnostic Procedures

Diagnostic Procedures

Record and diagnose all DTC(s). Clear DTC(s). If DTC P1639 resets, replace PCM.

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