P25C6 – BMW DTC

BMW DTC P25C6 – Brake Booster Temperature Sensor ‘A’ Circuit Low

DTC P25C6 meaning on BMW

DTC P25C6 on a BMW refers to the Brake Booster Temperature Sensor ‘A’ Circuit Low. This diagnostic trouble code indicates that the signal from the brake booster temperature sensor ‘A’ has fallen below the expected range.

BMW DTC P25C6 symptoms

Symptoms of DTC P25C6 on a BMW may include:

  • Check Engine Light illuminated
  • Decreased brake performance
  • Reduced fuel efficiency

BMW DTC P25C6 causes

Common causes of DTC P25C6 on a BMW include:

  • Faulty brake booster temperature sensor ‘A’
  • Wiring or connector issues in the sensor circuit
  • Software or calibration issues

BMW DTC P25C6 seriousness

While DTC P25C6 may not always result in immediate drivability issues, it is important to address this code promptly to ensure proper brake system operation and overall vehicle performance.

How to diagnose DTC P25C6 on BMW

To diagnose DTC P25C6 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer.
  2. Inspect the brake booster temperature sensor ‘A’ and its wiring for any visible damage or corrosion.
  3. Test the sensor’s resistance and voltage output to determine if it is functioning correctly.

How to fix DTC P25C6 on BMW

To fix DTC P25C6 on a BMW, you may need to:

  1. Replace the faulty brake booster temperature sensor ‘A’ with a new, OEM part.
  2. Repair any damaged wiring or connectors in the sensor circuit.
  3. Perform a software update or calibration if necessary.

How to erase DTC P25C6 on BMW

To erase DTC P25C6 on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer.
  2. After making the necessary repairs, drive the vehicle to see if the code returns.

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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