Source-backed diagnostic reference

P1810 EV diagnostic code

TFP Valve Position Switch 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: TFP Valve Position Switch Circuit Source
  • CADILLAC: TFP Valve Position Switch Circuit Source
  • CHEVY: TFP Valve Position Switch Circuit Source
  • FORD: TFP Valve Position Switch Circuit Transmission 4-Wheel Drive Low Indicator Short Circuit To Battery Source
  • GM: TFP Valve Position Switch Circuit Source
  • GMC: TFP Valve Position Switch Circuit Source
  • LINCOLN: TFP Valve Position Switch Circuit Transmission 4-Wheel Drive Low Indicator Short Circuit To Battery Source
  • MERCURY: TFP Valve Position Switch Circuit Transmission 4-Wheel Drive Low Indicator Short Circuit To Battery Source
  • OLDSMOBILE: TFP Valve Position Switch Circuit Source
  • OTHER: TFP Valve Position Switch Circuit/ Transmission 4-Wheel Drive Low Indicator Short Circuit To Battery Source
  • SATURN: TFP Valve Position Switch Circuit Source

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