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Home >> Buick >> 2003 >> LeSabre Custom, 4T65E/M15 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P1660: Output Driver Module Circuit No. 3 >> Diagnostic Aids
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Diagnostic Aids

An overcharging condition may set this DTC. See appropriate GENERATORS & REGULATORS article in ELECTRICAL. Thoroughly inspect any circuitry that is suspected of causing an intermittent complaint. See INTERMITTENT CONDITIONS  under SELF-DIAGNOSTIC SYSTEM.

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