Engine Hood Switch Circuit Low

Where it lives

For P257E, the switch sits on the circuit this code reports. The description of P257E reports a fault at the switch.

Check these first

• Shorted or grounded engine hood switch signal wire
• Failed engine hood switch reading closed
• Corroded engine hood switch connector
• Poor ground at the hood switch or ECM

What to do next

1. Read the engine hood switch state on a scan tool
2. Check the hood switch signal wire for a short to ground
3. Inspect the hood switch connector and ground
4. Test the engine hood switch for continuity
5. Replace the engine hood switch if the signal stays low
6. Clear the code and retest

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