OBD Codes List

Diagnostic reference · P254F

P254F

Engine Hood Switch Circuit

System
Speed and idle control (P code)
Lamp
Check Engine Light
Category
Powertrain - Computer and Auxiliary Controls

What it means

P254F means Engine Hood Switch Circuit.

Where it lives

For P254F, the switch sits on the circuit this code reports. The description of P254F reports a fault at the switch.

Check these first

  • Failed engine hood switch
  • Open or shorted hood switch wiring
  • Corroded hood switch connector
  • Misadjusted hood switch bracket

What to do next

  1. Test the engine hood switch for continuity open and closed
  2. Inspect the hood switch wiring for opens and shorts
  3. Check the hood switch connector for corrosion
  4. Verify the hood switch bracket sits correctly against the hood
  5. Replace the engine hood switch if it will not change state
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.