Source-backed diagnostic reference

P1238 EV diagnostic code

Fuel Pump Secondary Circuit Fault

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: Fuel Pump Secondary Circuit Fault Source
  • JAGUAR: VSV 3 Circuit Source
  • LINCOLN: Fuel Pump Secondary Circuit Fault Source
  • MERCURY: Fuel Pump Secondary Circuit Fault Source
  • OTHER: Fuel Pump Secondary Circuit Malfunction Source
  • VOLKSWAGEN: Cylinder 2 Injector Circuit Open Circuit Source

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