Body
generic / SAE
P257E
Engine Hood Switch Circuit Low
The hood switch input reads stuck low — short to ground or stuck-closed switch. The body controller may treat the hood as permanently open and refuse to arm the alarm or close the HV interlock.
SystemBody
Typegeneric / SAE
GroupP2
Range / number5 / 7E
Possible causes
- Switch wire shorted to ground high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 40–250 €
- Estimated time: 0.2–1 h
- Component: hood switch
Sources
References
sae:J2012