OBD-II code · Powertrain (generic)
P06DE Engine Oil Pressure Control Circuit Stuck On
Same as P06DA with the regulator stuck on - oil pressure remains at the high-output level even at idle, increasing pump losses.
Is it safe to drive with P06DE?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyRegulator stuck on
- Less likelyCarbon or debris buildup preventing free movement
- Less likelyComponent wear with age - mechanical play
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–3.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Oil Pressure Regulator
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.