C1030 – BMW DTC

BMW DTC C1030 – Brake System Vacuum Sensor Circuit A Electrical

DTC C1030 meaning on BMW

DTC C1030 on a BMW indicates an issue with the Brake System Vacuum Sensor Circuit A Electrical. This fault code is triggered when the control module detects a problem with the electrical circuit related to the brake system vacuum sensor.

BMW DTC C1030 symptoms

Symptoms of DTC C1030 on a BMW may include:

  • ABS warning light illuminated on the dashboard
  • Brake system warning light on
  • Loss of power assistance in the braking system
  • Brake pedal feels hard or spongy

BMW DTC C1030 causes

Common causes of DTC C1030 on a BMW include:

  • Faulty brake system vacuum sensor
  • Wiring or connector issues in the sensor circuit
  • Corrosion or poor connections in the sensor circuit

BMW DTC C1030 seriousness

DTC C1030 should be taken seriously as it relates to the brake system. Driving with this fault code present can compromise the effectiveness of the braking system, potentially leading to unsafe driving conditions. It is recommended to address this issue promptly.

How to diagnose DTC C1030 on BMW

To diagnose DTC C1030 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault code and related data
  2. Inspect the brake system vacuum sensor for any visible damage or corrosion
  3. Check the wiring and connectors in the sensor circuit for any issues
  4. Perform a vacuum sensor test using a multimeter to check for proper functionality

How to fix DTC C1030 on BMW

To fix DTC C1030 on a BMW, you can try the following:

  1. Replace the faulty brake system vacuum sensor
  2. Repair or replace any damaged wiring or connectors in the sensor circuit
  3. Clean any corrosion or debris in the sensor circuit
  4. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC C1030 on BMW

To erase DTC C1030 on a BMW, you can use a diagnostic scanner to clear the fault code from the control module’s memory. Once the fault code is cleared, you can perform a test drive to verify that 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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