BMW DTC P25C8 – Brake Booster Temperature Sensor ‘A’ Circuit Intermittent/Erratic
DTC P25C8 meaning on BMW
The Diagnostic Trouble Code (DTC) P25C8 for BMW refers to the Brake Booster Temperature Sensor ‘A’ Circuit Intermittent/Erratic. This code indicates that there is an issue with the temperature sensor circuit in the brake booster system of the vehicle.
BMW DTC P25C8 symptoms
Symptoms of the BMW DTC P25C8 may include:
- Check Engine Light illuminated on the dashboard
- Decreased brake performance
- Inconsistent brake pedal feel
BMW DTC P25C8 causes
Common causes of the BMW DTC P25C8 may include:
- Faulty brake booster temperature sensor
- Wiring or connection issues in the sensor circuit
- Corrosion or damage to sensor components
BMW DTC P25C8 seriousness
The BMW DTC P25C8 should be addressed promptly as it can affect the proper functioning of the brake booster system, potentially leading to safety concerns and decreased braking performance.
How to diagnose DTC P25C8 on BMW
To diagnose the DTC P25C8 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer.
- Inspect the brake booster temperature sensor and its wiring for any visible damage or corrosion.
- Test the sensor’s resistance and voltage output to determine if it is functioning correctly.
- Check for any loose connections or poor grounds in the sensor circuit.
How to fix DTC P25C8 on BMW
To fix the DTC P25C8 on a BMW, you can try the following solutions:
- Replace the faulty brake booster temperature sensor with a new one.
- Repair or replace any damaged wiring or connections in the sensor circuit.
- Clean any corrosion from the sensor components and ensure proper installation.
How to erase DTC P25C8 on BMW
To erase the DTC P25C8 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. Once the issue has been addressed and fixed, the code can be reset to turn off the Check Engine Light.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.