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Home >> Buick >> 2002 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P1670: Output Driver Module No. 4 >> Diagnostic Aids
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Diagnostic Aids

An overcharging condition may set this DTC. Thoroughly inspect any circuitry that is suspected of causing the intermittent complaint. Repair the circuits as necessary. If problem is intermittent, refer to INTERMITTENT CONDITIONS  under SELF-DIAGNOSTIC SYSTEM.