Powertrain
generic / SAE
P2587
Turbocharger Boost Control Position Sensor B Circuit Range/Performance
Position sensor B is electrically intact, but the reading does not track sensor A or the actuator-command model. Often a misaligned redundant sensor or aged element on a second turbo.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 87
Possible causes
- Sensor mounting misaligned after service high
- Aged Hall element medium
- Sensor element aged beyond calibration window low
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 0.6–2.5 h
- Component: turbo actuator position sensor b
- Component: turbocharger
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012