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Home >> Cadillac >> 1993 >> Allante >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P053: 4X Reference Signal Interrupt From Ignition Control Module >> Test Conditions
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test Conditions

  1. Codes P019 and P035 are not set.
  2. Engine speed greater than 568 RPM.
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