OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2589?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to reference voltage
- Less likelyConnector pins corroded - high contact resistance
- Less likelySupply wire pinched against B+ source
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.6–2.5 h
- Emissions test
- Likely to fail
- Parts involved
- Turbo Actuator Position Sensor B, Sensor Wiring
Related codes
- P2565Turbocharger Boost Control Position Sensor A Circuit High
- P2586Turbocharger Boost Control Position Sensor B Circuit
- P2587Turbocharger Boost Control Position Sensor B Circuit Range/Performance
- P2588Turbocharger Boost Control Position Sensor B Circuit Low
- P258AVacuum Pump Control Circuit A/Open
- P258BVacuum Pump Control Circuit A Range/Performance
- P258CVacuum Pump Control Circuit A Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.