EV Diagnostics
Source-backed diagnostic reference

P1729 EV diagnostic code

4x4 Low Switch Error

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: 4x4 Low Switch Error Source
  • LINCOLN: 4x4 Low Switch Error Source
  • MAZDA: Transmission 4x4 Low Switch Error Source
  • MERCURY: 4x4 Low Switch Error Source
  • OTHER: 4x4 Low Switch Error Source
  • VOLKSWAGEN: Starter Interlock Circuit Short To B+ Source

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