BMW DTC C057E – Brake Booster Temperature Sensor ‘A/B’ Correlation
DTC C057E meaning on BMW
DTC C057E on a BMW refers to the Brake Booster Temperature Sensor ‘A/B’ Correlation. This diagnostic trouble code indicates that there is a discrepancy between the readings from the brake booster temperature sensor ‘A’ and ‘B’, which are used to monitor the temperature of the brake booster system.
BMW DTC C057E symptoms
Symptoms of DTC C057E on a BMW may include issues with the brake system, such as reduced braking performance, the illumination of the brake warning light on the dashboard, or unusual noises coming from the brakes.
BMW DTC C057E causes
The most common causes of DTC C057E on a BMW include a faulty brake booster temperature sensor, wiring issues, or a problem with the brake booster system itself. Additionally, environmental factors or extreme temperatures can also contribute to this fault code.
BMW DTC C057E seriousness
DTC C057E should be addressed promptly as it can affect the proper functioning of the brake system, potentially compromising the vehicle’s safety. It is recommended to diagnose and resolve this issue as soon as possible to ensure the brakes operate correctly.
How to diagnose DTC C057E on BMW
To diagnose DTC C057E on a BMW, a diagnostic scan tool can be used to retrieve the fault code and further investigate the brake booster temperature sensor readings. Additionally, a visual inspection of the sensor and its wiring for any visible damage or corrosion can help identify the root cause of the issue.
How to fix DTC C057E on BMW
Fixing DTC C057E on a BMW typically involves replacing the faulty brake booster temperature sensor or addressing any wiring issues that may be causing the correlation problem. It is essential to use genuine BMW parts and follow the manufacturer’s guidelines for sensor replacement to ensure proper functionality.
How to erase DTC C057E on BMW
Once the underlying issue causing DTC C057E on a BMW has been resolved, the fault code can be cleared using a diagnostic scan tool. By accessing the vehicle’s onboard computer system, the fault memory can be reset, erasing the DTC C057E code and turning off the warning light on the dashboard.
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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