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Home >> Oldsmobile >> 2001 >> Intrigue GL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1640: Output Driver Module 1 >> Diagnostic Aids
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Diagnostic Aids

An overcharging condition may set this DTC. See ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in GENERATORS & REGULATORS - AURORA article in STARTING & CHARGING SYSTEMS.

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