OBD-II code · Powertrain (generic, extended)
P26B7 Engine Coolant Bypass Valve C Control Circuit / Open
The controller cannot drive the third coolant bypass valve.
Is it safe to drive with P26B7?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen coil in bypass valve solenoid
- PossibleBroken control wire
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
- Coolant Bypass Valve C, Solenoid, Wiring Harness
Related codes
- P2681Engine Coolant Bypass Valve A Control Circuit / Open
- P26ACEngine Coolant Bypass Valve B Control Circuit / Open
- P26BDEngine Coolant Bypass Valve D Control Circuit / Open
- P26B4Fuel Shutoff Valve A Control Circuit Stuck On
- P26B5Fuel Shutoff Valve B Control Circuit Performance/Stuck Off
- P26B6Fuel Shutoff Valve B Control Circuit Stuck On
- P26B8Engine Coolant Bypass Valve C Control Circuit Low
- P26B9Engine Coolant Bypass Valve C Control Circuit High
- P26BAEngine Coolant Bypass Valve C Stuck/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.