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Home >> Pontiac >> 2000 >> Firebird Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P1689: Traction Control Delivered Torque Output Circuit >> Diagnostic Aids

Diagnostic Aids

Check for faulty connections or damaged harness. Observe DVOM while moving all related harness and connectors. A change in voltage display indicates fault location.