EV Diagnostics
Source-backed diagnostic reference

P1479 EV diagnostic code

Transmission Fan Relay Circuit Open Or Shorted

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

  • DODGE: Transmission Fan Relay Circuit Open Or Shorted Source
  • FORD: High Fan Control Primary Circuit Source
  • JEEP: Transmission Fan Relay Circuit Open Or Shorted Source
  • LINCOLN: High Fan Control Primary Circuit Source
  • MERCURY: High Fan Control Primary Circuit Source
  • OTHER: High Fan Control Primary Circuit Malfunction Source

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