EV Diagnostics
Source-backed diagnostic reference

P1845 EV diagnostic code

Transmission Gear Ratio Output 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

  • BUICK: Transmission Gear Ratio Output Circuit Source
  • CADILLAC: Transmission Gear Ratio Output Circuit Source
  • CHEVY: Transmission Gear Ratio Output Circuit Source
  • GM: Transmission Gear Ratio Output Circuit Source
  • GMC: Transmission Gear Ratio Output Circuit Source
  • OLDSMOBILE: Transmission Gear Ratio Output Circuit Source
  • OTHER: Transmission Transfer Case Differential Lock-Up Feedback Switch Short Circuit To Ground Source
  • SATURN: Transmission Gear Ratio Output Circuit Source

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