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Home >> Cadillac >> 1990 >> Allante F7/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> ECM DTC EO63: Set Speed/Vehicle Speed Difference Too High >> Test Conditions
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test Conditions

  1. Cruise control enabled.
  2. Cruise control engaged.
  3. Cruise control not in the resume mode.