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Home › Cadillac › 1994 › DeVille Base › Repair and Diagnosis (Single Page) › Engine Performance › System › Engine Controls - Tests W/Codes - 4.6L › Pcm Code Charts › Code P053, 4X Reference Signal Interrupt From Ignition › Failure Conditions

Failure Conditions

No 4X reference pulses received by PCM for .4 second.

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