OBD-II code · Powertrain (generic, extended)
P2ABA Wastegate Position Sensor B Circuit
The ECM detects a generic fault on the wastegate position sensor B circuit. Boost actuator position cannot be verified reliably.
Is it safe to drive with P2ABA?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyPosition sensor failed
- PossibleWiring or connector fault
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Wastegate Position Sensor B, Wiring Harness, Ecm
Related codes
- P2AB7Wastegate Position Sensor A Circuit
- P2AB8Wastegate Position Sensor A Circuit Low
- P2AB9Wastegate Position Sensor A Circuit High
- P2ABBWastegate Position Sensor B Circuit Low
- P2ABCWastegate Position Sensor B Circuit High
- P2ABDTurbocharger/Supercharger Wastegate Actuator A Driver Current/Temperature Too High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.