OBD-II code · Powertrain (generic, extended)
P26B6 Fuel Shutoff Valve B Control Circuit Stuck On
The second fuel shutoff valve stays open when commanded closed.
Is it safe to drive with P26B6?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyValve seized open by debris
- PossibleECU output driver stuck on
- Less likelyCarbon or debris buildup preventing free movement
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
- Fuel Shutoff Valve B, Solenoid
Related codes
- P26B4Fuel Shutoff Valve A Control Circuit Stuck On
- P26B3Fuel Shutoff Valve A Control Circuit Performance/Stuck Off
- P26B5Fuel Shutoff Valve B Control Circuit Performance/Stuck Off
- P26B7Engine Coolant Bypass Valve C Control Circuit / Open
- P26B8Engine Coolant Bypass Valve C Control Circuit Low
- P26B9Engine Coolant Bypass Valve C Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.