P257D

Engine Hood Switch Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–28 (est.)

Symptoms

Check Engine Light Is On
The security system may not work correctly
Errors in the operation of the start-stop system (if any)
False alarms
Error message on the dashboard

Causes

Faulty hood switch
Open or short circuit in wiring
Poor contact in connectors
Problems with the ECU
Corrosion of switch contacts

How to Fix

Check the condition of the hood switch
Inspect wiring and connectors for damage
Check the resistance of the switch with a multimeter
Clean contacts from corrosion
Replace the switch if necessary

Related codes

P257E P257F B1342