OBD-II code · Powertrain (generic, extended)
P24E0 Reductant Purge Control Valve B Stuck Closed
Same as P24DF with valve B stuck closed - AdBlue cannot be cleared at shutdown, risk of crystallisation in injector and lines.
Is it safe to drive with P24E0?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyValve stuck closed
- Less likelyCarbon or debris buildup preventing free movement
- Less likelyComponent wear with age - mechanical play
Symptoms
- Check engine light or NOx warning on
- AdBlue/DEF level or quality warning
- Possible no-start countdown after ignore period
- Failed emissions inspection (NOx)
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.6–2 h
- Emissions test
- Likely to fail
- Parts involved
- Reductant Purge Valve B
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.