Powertrain
generic / SAE
P26A4
Engine Coolant Bypass Valve A Position Sensor Circuit
The position sensor on the coolant bypass valve A returns no usable signal. Closed-loop control of bypass position is lost.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / A4
Possible causes
- Open sensor element high
- Corroded sensor connector medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–700 €
- Estimated time: 0.8–3 h
- Component: bypass position sensor a
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012