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Home >> Buick >> 1995 >> Roadmaster Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - Tests W/Codes - 4.9L) >> Pcm Code Charts >> Code P023, Ignition Control Circuit Problem >> Failure Conditions (Crank)

Failure Conditions (Crank)

WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Ignition control pulses detected on circuit No. 423 in by-pass, or TEST CONDITION (RUN) failed previously this ignition cycle.