Powertrain
generic / SAE
P0E77
Coolant Bypass Valve B Control Circuit/Open
The coolant bypass valve B reports a control circuit/open condition.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / 77
Possible causes
- Open in control wire high
- Coil open medium
- Pin pushed back out of connector body low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–5 h
- Component: coolant bypass valve b
- Component: wiring harness
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012