Powertrain
generic / SAE
P2589
Turbocharger Boost Control Position Sensor B Circuit High
Position sensor B signal voltage above the upper limit — short to reference voltage or open signal return.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 89
Possible causes
- Signal wire shorted to reference voltage high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source 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: sensor wiring
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012