OBD-II code · Powertrain (generic, extended)
P25A3 Engine Hood Open
After plausibility checks the body controller has concluded that the engine hood is genuinely open while the vehicle is operating. Used to suspend HV operation on hybrids/EVs (HV interlock), block remote engine start, and trigger the alarm if armed.
Is it safe to drive with P25A3?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyHood not properly latched
- PossibleFailed hood latch sensor
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.1–1 h
- Emissions test
- Usually unaffected
- Parts involved
- Hood Latch, Hood Switch
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.