OBD-II code · Powertrain (generic, extended)
P2590 Turbocharger Boost Control Position Sensor B Circuit Intermittent/Erratic
Position sensor B signal jumps or drops out — vibration on the actuator, oil mist contamination or chafed wiring near the hot turbo.
Is it safe to drive with P2590?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyVibration-induced chafing of the harness
- PossibleOil mist on the sensor
- Less likelyConnector with intermittent contact under vibration
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
- P2586Turbocharger Boost Control Position Sensor B Circuit
- P258DVacuum Pump Control Circuit A High
- P258EPTO Enable Switch Performance
- P258FTorque Management Request Output Signal
- P2591Cruise Control Front Distance Range Sensor Left
- P2592Cruise Control Front Distance Range Sensor Right
- P2593Turbocharger Speed Sensor B Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.