Powertrain
generic / SAE
P26A5
Engine Coolant Bypass Valve A Position Sensor Circuit Range/Performance
The bypass valve A position sensor reading does not correlate with commanded position. Sensor drift or worn linkage.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / A5
Possible causes
- Sensor signal drift after thermal aging medium
- Worn linkage between actuator and valve medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.8–3 h
- Component: bypass position sensor a
- Component: actuator linkage
- MIL / check engine light
Sources
References
sae:J2012