Source-backed diagnostic reference

P1256 EV diagnostic code

Pedal Correlation PDS1 and HPDS

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

  • FORD: Pedal Correlation PDS1 and HPDS Source
  • LINCOLN: Pedal Correlation PDS1 and HPDS Source
  • MERCURY: Pedal Correlation PDS1 and HPDS Source
  • OTHER: Pedal Correlation PDS1 and HPDS Source
  • VOLKSWAGEN: Engine Coolant Temperature Circuit Open/Short To B+ Source

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