Powertrain
generic / SAE
P2AA7
Engine Coolant Bypass Valve B Position Sensor Circuit
The ECM detects a generic fault on the engine coolant bypass valve B position sensor circuit. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / A7
Possible causes
- Sensor failed high
- Wiring or connector fault medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–700 €
- Estimated time: 0.5–3 h
- Component: engine coolant bypass valve b position sensor
- Component: wiring harness
- Component: ecm
- MIL / check engine light
Sources
References
sae:J2012