EV Diagnostics
Source-backed diagnostic reference

P1784 EV diagnostic code

Transmission Mechanical Failure First And Reverse

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

  • FORD: Transmission Mechanical Failure First And Reverse Source
  • LINCOLN: Transmission Mechanical Failure First And Reverse Source
  • MERCURY: Transmission Mechanical Failure First And Reverse Source
  • OTHER: Transmission Mechanical Failure - First And Reverse Source
  • VOLKSWAGEN: Shift Up Down Wire Open Short To Ground Source

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