C1028 – BMW DTC

BMW DTC C1028 – Brake Booster Pressure Sensor Supply Voltage Circuit

DTC C1028 meaning on BMW

DTC C1028 on a BMW refers to an issue with the Brake Booster Pressure Sensor Supply Voltage Circuit. This diagnostic trouble code indicates that there is a problem with the voltage supply to the brake booster pressure sensor in the vehicle’s braking system.

BMW DTC C1028 symptoms

Symptoms of DTC C1028 on a BMW may include:

  • Brake warning light illuminated on the dashboard
  • Loss of power assistance in the braking system
  • Hard brake pedal feel

BMW DTC C1028 causes

Common causes of DTC C1028 on a BMW include:

  • Faulty brake booster pressure sensor
  • Wiring or connector issues in the brake booster pressure sensor circuit
  • Low voltage supply to the sensor

BMW DTC C1028 seriousness

The seriousness of DTC C1028 on a BMW should not be ignored, as it can affect the proper functioning of the vehicle’s braking system. Driving with this fault may compromise the safety and performance of the brakes.

How to diagnose DTC C1028 on BMW

To diagnose DTC C1028 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer
  2. Inspect the brake booster pressure sensor and its wiring for any visible damage or corrosion
  3. Check the voltage supply to the sensor using a multimeter

How to fix DTC C1028 on BMW

To fix DTC C1028 on a BMW, you may need to:

  1. Replace the faulty brake booster pressure sensor
  2. Repair or replace any damaged wiring or connectors in the sensor circuit
  3. Ensure proper voltage supply to the sensor

How to erase DTC C1028 on BMW

To erase DTC C1028 on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault codes from the vehicle’s computer
  2. After fixing the underlying issue, drive the vehicle to allow the system to recheck and confirm the fault has been resolved