EV Diagnostics
Source-backed diagnostic reference

P1859 EV diagnostic code

Transmission Transfer Case Contact Plate 'D' Open 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

  • OTHER: Transmission Transfer Case Contact Plate 'D' Open Circuit Source
  • VOLKSWAGEN: Brake Switch Circuit Error Message From Engine Control Source

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