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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