Turbocharger Boost Control Position Sensor B Circuit

Where it lives

For P2586, the sensor sits on the circuit this code reports. The description of P2586 reports a fault at the sensor.

Check these first

• An open or short in the turbocharger boost control position sensor B circuit
• A failed turbocharger boost control position sensor B
• Corrosion at the turbocharger boost control position sensor B connector
• Chafed wiring along the sensor B harness

What to do next

1. Read turbocharger boost control position sensor B on a scan tool
2. Test the sensor B circuit for open and short faults
3. Check the sensor B connector pins
4. Verify reference voltage at the sensor B
5. Replace the turbocharger boost control position sensor B if faulty
6. Clear the code and retest

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