Source-backed diagnostic reference

P1051 EV diagnostic code

Brake Switch Signal Missing or Improper

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: Brake Switch Signal Missing or Improper Source
LINCOLN: Brake Switch Signal Missing or Improper Source
MERCURY: Brake Switch Signal Missing or Improper Source

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