Source-backed diagnostic reference

P1258 EV diagnostic code

Engine Coolant Overtemperature Protection Mode Active

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: Engine Coolant Overtemperature Protection Mode Active Source
  • CADILLAC: Engine Coolant Overtemperature Protection Mode Active Source
  • CHEVY: Engine Coolant Overtemperature Protection Mode Active Source
  • CHRYSLER: Engine Coolant Overtemperature Protection Mode Active Source
  • FORD: Pedal Correlation PDS1 and PDS2 Source
  • GM: Engine Coolant Overtemperature Protection Mode Active Source
  • GMC: Engine Coolant Overtemperature Protection Mode Active Source
  • LINCOLN: Pedal Correlation PDS1 and PDS2 Source
  • MERCURY: Pedal Correlation PDS1 and PDS2 Source
  • OLDSMOBILE: Engine Coolant Overtemperature Protection Mode Active Source
  • OTHER: Pedal Correlation PDS1 and PDS2 Source
  • SATURN: Engine Coolant Overtemperature Protection Mode Active Source
  • VOLKSWAGEN: Engine Coolant System Valve Short To B+ Source
  • GENERIC: Pedal Correlation PDS1 and PDS2 Source

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