EV Diagnostics
Source-backed diagnostic reference

P1779 EV diagnostic code

Engine Torque Delivered To TCM Signal

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: Engine Torque Delivered To TCM Signal Source
  • CADILLAC: Engine Torque Delivered To TCM Signal Source
  • CHEVY: Engine Torque Delivered To TCM Signal Source
  • FORD: Transmission Control Indicator Lamp Circuit Malfunction Source
  • GM: Engine Torque Delivered To TCM Signal Source
  • GMC: Engine Torque Delivered To TCM Signal Source
  • JAGUAR: Load Control Source
  • LINCOLN: Transmission Control Indicator Lamp Circuit Malfunction Source
  • MERCURY: Transmission Control Indicator Lamp Circuit Malfunction Source
  • OLDSMOBILE: Engine Torque Delivered To TCM Signal Source
  • OTHER: TCIL Circuit Malfunction Source
  • SATURN: Engine Torque Delivered To TCM Signal Source

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