Powertrain
generic / SAE
P2B5A
Engine Coolant Flow Control Valve Control Circuit Low
The engine coolant flow control valve reports a control circuit low condition. Coolant routing between engine and radiator branches cannot be commanded as expected.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 5A
Possible causes
- Control wire shorted to ground high
- Internal short in 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