EV Diagnostics
Source-backed diagnostic reference

P1661 EV diagnostic code

MIL Control Circuit

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • BUICK: MIL Control Circuit Source
  • CADILLAC: MIL Control Circuit Source
  • CHEVY: MIL Control Circuit Source
  • FORD: Output Circuit Check Signal Low Source
  • GM: MIL Control Circuit Source
  • GMC: MIL Control Circuit Source
  • LINCOLN: Output Circuit Check Signal Low Source
  • MERCURY: Output Circuit Check Signal Low Source
  • OLDSMOBILE: MIL Control Circuit Source
  • OTHER: Output Circuit Check Signal Low Source
  • SATURN: MIL Control Circuit Source
  • TOYOTA: EGR Circuit Source

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