P2595 – BMW DTC

BMW DTC P2595 – Turbocharger Speed Sensor ‘B’ Circuit Low

DTC P2595 meaning on BMW

DTC P2595 on a BMW indicates a fault with the Turbocharger Speed Sensor ‘B’ Circuit. This fault code is triggered when the Engine Control Module (ECM) detects a low voltage signal from the turbocharger speed sensor ‘B’, which is responsible for monitoring the rotational speed of the turbocharger.

BMW DTC P2595 symptoms

Symptoms of DTC P2595 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine power
• Lack of turbocharger boost
• Engine stalling or hesitation

BMW DTC P2595 causes

Common causes of DTC P2595 on a BMW include:

• Defective turbocharger speed sensor ‘B’
• Wiring or connector issues in the turbocharger speed sensor circuit
• Faulty Engine Control Module (ECM)

BMW DTC P2595 seriousness

DTC P2595 should be addressed promptly as it can lead to reduced engine performance and potential drivability issues. Ignoring this fault code may result in further damage to the turbocharger system and other engine components.

How to diagnose DTC P2595 on BMW

To diagnose DTC P2595 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data.
2. Inspect the turbocharger speed sensor ‘B’ and its wiring for any visible damage or corrosion.
3. Check the sensor’s resistance and voltage output using a multimeter.
4. Perform a visual inspection of the ECM connectors and wiring for any signs of wear or damage.

How to fix DTC P2595 on BMW

To fix DTC P2595 on a BMW, consider the following:

1. Replace the turbocharger speed sensor ‘B’ if it is found to be faulty.
2. Repair or replace any damaged wiring or connectors in the turbocharger speed sensor circuit.
3. If the ECM is determined to be faulty, it may need to be replaced or reprogrammed.

How to erase DTC P2595 on BMW

To erase DTC P2595 on a BMW:

1. Use a diagnostic scanner to clear the fault code from the ECM memory.
2. After clearing the code, perform a test drive to ensure the issue has been resolved.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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