OBD-II code · Powertrain (generic, extended)
P25A5 Fuel Mode Select Switch Performance
The fuel mode select switch is electrically intact, but its state does not match operating conditions — switched to gas while gas tank is empty, or fast toggling. The ECM rejects the request to avoid stalling.
Is it safe to drive with P25A5?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySwitch contact bounce
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Mode Switch
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.