P259A
Turbocharger Boost Control Position Sensor B Performance - Stuck Low
P259A is an OBD-II diagnostic trouble code meaning: Turbocharger Boost Control Position Sensor B Performance - Stuck Low. Common causes: faulty turbo control position sensor b, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.
Symptoms
- Loss of engine power
- Increased fuel consumption
- Rough engine operation
- Check Engine light comes on
- Turbocharging does not work at full power
Causes
- Faulty turbo control position sensor B
- Open or short circuit in the sensor circuit
- Problems with the mechanical drive of the sensor
- Sensor is dirty or damaged
- Problems with the engine control unit (ECU)
How to Fix
- Check turbo control position sensor B for damage
- Check the integrity of the sensor electrical circuit
- Check the mechanical drive of the sensor
- Replace sensor if necessary
- Check and update ECU firmware if necessary
Related codes
Error P259A by Vehicle Brand
FAQ
What does the P259A code mean?
P259A is an OBD-II diagnostic trouble code that indicates: Turbocharger Boost Control Position Sensor B Performance - Stuck Low
What causes a P259A error code?
The most common causes of P259A include: Faulty turbo control position sensor B; Open or short circuit in the sensor circuit; Problems with the mechanical drive of the sensor; Sensor is dirty or damaged.
How do I fix a P259A diagnostic trouble code?
To fix P259A: Check turbo control position sensor B for damage. Check the integrity of the sensor electrical circuit. Check the mechanical drive of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P259A?
Limited driving only, diagnose soon
How much does it cost to fix P259A?
The estimated repair cost for P259A is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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