Turbocharger Speed Sensor B Circuit Low

Where it lives

For P2595, the sensor sits on the circuit this code reports. The description of P2595 reports a fault at the sensor.

Check these first

• A short to ground on the turbocharger speed sensor B circuit
• An open in the speed sensor B wiring
• A failed turbocharger speed sensor B
• A fault in the five volt reference circuit

What to do next

1. Read turbocharger speed sensor B on a scan tool
2. Test the speed sensor B circuit for a short to ground
3. Check the speed sensor B wiring for an open
4. Check the five volt reference circuit
5. Replace the turbocharger speed sensor B if the circuit tests good
6. Clear the code and retest

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