BMW DTC C1099 – Brake System Control Module Read Only Memory (ROM) Error
DTC C1099 meaning on BMW
DTC C1099 on a BMW indicates a Brake System Control Module Read Only Memory (ROM) Error. This error code is specifically related to a problem with the ROM within the brake system control module.
BMW DTC C1099 symptoms
Symptoms of DTC C1099 on a BMW may include:
- ABS warning light illuminated on the dashboard
- Brake system malfunction warning message
- ABS system not functioning properly
BMW DTC C1099 causes
The common causes of DTC C1099 on a BMW are:
- Corrupted data in the brake system control module ROM
- Faulty brake system control module
- Electrical issues within the brake system
BMW DTC C1099 seriousness
DTC C1099 should be taken seriously as it directly affects the operation of the ABS system in the vehicle. Driving with this error code present may compromise the effectiveness of the braking system, leading to potential safety hazards.
How to diagnose DTC C1099 on BMW
To diagnose DTC C1099 on a BMW, a professional mechanic would typically:
- Use a diagnostic scanner to retrieve the specific error code
- Inspect the brake system control module for any visible damage
- Check the wiring and connections related to the ABS system
How to fix DTC C1099 on BMW
Fixing DTC C1099 on a BMW may involve:
- Reprogramming or replacing the brake system control module
- Repairing any damaged wiring or connections in the ABS system
- Clearing the error code and performing a system reset
How to erase DTC C1099 on BMW
To erase DTC C1099 on a BMW, the following steps can be taken:
- Use a diagnostic scanner to clear the error code
- Perform a system reset to ensure the error does not reoccur
- Verify that the ABS system is functioning properly after clearing the code
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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