OBD-II code · Powertrain (generic, extended)
P26B5 Fuel Shutoff Valve B Control Circuit Performance/Stuck Off
The second fuel shutoff valve is commanded on but does not open.
Is it safe to drive with P26B5?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyValve seized closed by debris
- PossibleSolenoid loses force from coil aging
- 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
- P26B3Fuel Shutoff Valve A Control Circuit Performance/Stuck Off
- P26B2Engine Coolant Bypass Valve B Stuck Closed
- P26B4Fuel Shutoff Valve A Control Circuit Stuck On
- P26B6Fuel Shutoff Valve B Control Circuit Stuck On
- P26B7Engine Coolant Bypass Valve C Control Circuit / Open
- P26B8Engine Coolant Bypass Valve C Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.