EV Diagnostics
Source-backed diagnostic reference

P1740 EV diagnostic code

Transmission Torque Reduction Request 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: Transmission Torque Reduction Request Circuit Source
  • CADILLAC: Transmission Torque Reduction Request Circuit Source
  • CHEVY: Transmission Torque Reduction Request Circuit Source
  • CHRYSLER: TCC Or OD Solenoid Performance Source
  • DODGE: TCC Or OD Solenoid Performance Source
  • FORD: Transmission system problems Source
  • GM: Transmission Torque Reduction Request Circuit Source
  • GMC: Transmission Torque Reduction Request Circuit Source
  • JEEP: TCC Or OD Solenoid Performance Source
  • LINCOLN: Transmission System Problems Source
  • MAZDA: Torque Converter Clutch Solenoid Mechanical Fault Source
  • MERCURY: Transmission system problems Source
  • OLDSMOBILE: Transmission Torque Reduction Request Circuit Source
  • OTHER: Torque Converter Clutch Inductive Signature Malfunction Source
  • PLYMOUTH: TCC Or OD Solenoid Performance Source
  • PONTIAC: TCC Or OD Solenoid Performance Source
  • SATURN: Transmission Torque Reduction Request Circuit Source

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