Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 90
Possible causes
- Vibration-induced chafing of the harness high
- Oil mist on the sensor medium
- Connector with intermittent contact under vibration 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