BMW DTC C1044 – Brake System Vacuum Pump Stuck
DTC C1044 meaning on BMW
DTC C1044 on a BMW indicates a fault with the brake system vacuum pump being stuck. The vacuum pump is responsible for providing the necessary vacuum pressure for the power brake booster to function properly. When the pump gets stuck, it can lead to issues with brake assist and overall braking performance.
BMW DTC C1044 symptoms
Symptoms of DTC C1044 on a BMW may include:
- Hard brake pedal feel
- Increased effort required to brake
- Brake assist not functioning properly
- ABS warning light illuminated on the dashboard
BMW DTC C1044 causes
The common causes of DTC C1044 on a BMW include:
- Failure of the brake system vacuum pump
- Blockage in the vacuum lines
- Electrical issues with the vacuum pump
BMW DTC C1044 seriousness
DTC C1044 should be taken seriously as it can affect the vehicle’s braking performance and safety. If left unresolved, it can lead to potential brake failure or compromised braking ability, especially in emergency situations.
How to diagnose DTC C1044 on BMW
To diagnose DTC C1044 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the vacuum pump and vacuum lines for any visible damage or blockages
- Check the electrical connections to the vacuum pump for proper voltage and continuity
How to fix DTC C1044 on BMW
To fix DTC C1044 on a BMW, you may need to:
- Replace the faulty brake system vacuum pump
- Clean or replace any blocked vacuum lines
- Repair any electrical issues related to the vacuum pump
How to erase DTC C1044 on BMW
To erase DTC C1044 on a BMW, you can:
- Use a diagnostic scanner to clear the fault code
- After fixing the underlying issue, perform a test drive to ensure the fault code does not reappear
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.