OBD-II code · Powertrain (generic, extended)
P2598 Turbocharger Boost Control Position Sensor A Performance - Stuck Low
Position sensor A reports a value stuck near the low end of its travel even when the actuator is commanded to move. Either the actuator is mechanically stuck closed (wastegate jammed shut, VGT vanes seized at minimum opening) or the sensor itself is pegged low. Boost is uncontrolled — overboost on diesels with VGT, underboost on wastegate-stuck systems.
Is it safe to drive with P2598?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyActuator mechanically stuck near low end
- PossibleSensor pegged low
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- Parts involved
- Turbo Actuator Position Sensor A, Turbo Actuator
Related codes
- P2562Turbocharger Boost Control Position Sensor A Circuit
- P259ATurbocharger Boost Control Position Sensor B Performance - Stuck Low
- P2595Turbocharger Speed Sensor B Circuit Low
- P2596Turbocharger Speed Sensor B Circuit High
- P2597Turbocharger Speed Sensor B Circuit Intermittent
- P2599Turbocharger Boost Control Position Sensor A Performance - Stuck High
- P259BTurbocharger Boost Control Position Sensor B Performance - Stuck High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.