EV Diagnostics
Source-backed diagnostic reference

P1709 EV diagnostic code

Automatic Transmission System Malfunction

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: Automatic Transmission System Malfunction Source
  • FORD: Park or Neutral Position Switch Out of Self-Test Range Source
  • HONDA: Automatic Transmission System Malfunction Source
  • INFINITI: Automatic Transmission System Malfunction Source
  • LINCOLN: Park or Neutral Position Switch Out of Self-Test Range Source
  • MAZDA: Clutch Pedal Position Switch Circuit Source
  • MERCURY: Park or Neutral Position Switch Out of Self-Test Range Source
  • OTHER: PNP Switch Out Of Self Test Range Source

Search and canonical URL

Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.