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Home >> GMC >> 1995 >> Jimmy 4D Utility, RWD >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 6 (Engine Controls - Tests W/Codes - 4.9L) >> Pcm Code Charts >> Code P023, Ignition Control Circuit Problem >> Test Conditions (Run)

Test Conditions (Run)

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.

By-pass line high (5 volts) and at least 2 reference pulses have been received by PCM.

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