Powertrain
generic / SAE
P26AC
Engine Coolant Bypass Valve B Control Circuit / Open
The controller cannot drive the second coolant bypass valve. The associated cooling sub-loop cannot be regulated.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / AC
Possible causes
- Open coil in bypass valve solenoid high
- Broken control wire medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–900 €
- Estimated time: 1–3.5 h
- Component: coolant bypass valve b
- Component: solenoid
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012