OBD-II code · Powertrain (generic, extended)
P249E Closed Loop Reductant Injection Control At Limit Flow Too High
Same as P249D with the controller fully closing the dosing valve yet still measuring more flow than needed - the valve does not seat fully.
Is it safe to drive with P249E?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyDosing valve does not seat fully
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
- Best left to a mechanic
- Typical labour
- 1.5–5 h
- Emissions test
- Likely to fail
- Parts involved
- Reductant Injector
Related codes
- P249BEGR Cooler Bypass Position Sensor Circuit Intermittent or Erratic Bank 2
- P249CExcessive Time To Enter Closed Loop Reductant Injection Control
- P249DClosed Loop Reductant Injection Control At Limit Flow Too Low
- P249FExcessive Time To Enter Closed Loop Particulate Filter Regeneration Control
- P24A0Closed Loop Particulate Filter Regeneration Control At Limit Temperature Too Low
- P24A1Closed Loop Particulate Filter Regeneration Control At Limit Temperature Too High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.