EV Diagnostics
Source-backed diagnostic reference

P1660 EV diagnostic code

A/T FI Data Line Failure

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

  • ACURA: A/T FI Data Line Failure Source
  • BUICK: Cooling Fans Control Circuit Source
  • CADILLAC: Cooling Fans Control Circuit Source
  • CHEVY: Cooling Fans Control Circuit Source
  • FORD: Output Circuit Check Signal High Source
  • GM: Cooling Fans Control Circuit Source
  • GMC: Cooling Fans Control Circuit Source
  • HONDA: A/T FI Data Line Failure Source
  • INFINITI: A/T FI Data Line Failure Source
  • KIA: Power Stage Group 'B' Source
  • LINCOLN: Output Circuit Check Signal High Source
  • MERCURY: Output Circuit Check Signal High Source
  • OLDSMOBILE: Cooling Fans Control Circuit Source
  • OTHER: Output Circuit Check Signal High Source
  • SATURN: Cooling Fans Control Circuit Source

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