EV Diagnostics
Source-backed diagnostic reference

P1261 EV diagnostic code

Cylinder #1 High To Low Side Short

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: Cylinder #1 High To Low Side Short Source
  • LINCOLN: Cylinder 1 High To Low Side Short Source
  • MERCURY: Cylinder 1 High To Low Side Short Source
  • OTHER: Cylinder #1 High To Low Side Short Source

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