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Home › Cadillac › 1993 › Allante › Repair and Diagnosis (Single Page) › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P012: No 4X Reference Signal From Ignition Control Module › Failure Conditions

Failure Conditions

If the PCM does not receive 4X reference pulses for 4 seconds while receiving CAM reference pulses, Code P012 will set.