Powertrain
generic / SAE
P2B5B
Engine Coolant Flow Control Valve Control Circuit High
The engine coolant flow control valve reports a control circuit high condition. Coolant routing between engine and radiator branches cannot be commanded as expected.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 5B
Possible causes
- Control wire shorted to B+ high
- Open valve motor medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–700 €
- Estimated time: 1–4 h
- Component: engine coolant flow control valve
- Component: wiring harness
- Component: ecm
- MIL / check engine light
Sources
References
sae:J2012