BMW DTC C1102 – FlexRay_Low Circuit Low
DTC C1102 meaning on BMW
The DTC C1102 code on a BMW indicates an issue with the FlexRay communication network’s low circuit voltage. The FlexRay system is a high-speed communication protocol used in modern vehicles for various control modules to communicate with each other.
BMW DTC C1102 symptoms
Symptoms of the DTC C1102 code on a BMW may include:
- ABS warning light illuminated on the dashboard
- Stability control system malfunction
- Loss of communication with ABS or stability control modules
BMW DTC C1102 causes
Common causes of the DTC C1102 code on a BMW include:
- Faulty FlexRay communication network wiring
- Loose or corroded connectors in the FlexRay system
- Defective ABS or stability control module
BMW DTC C1102 seriousness
The DTC C1102 code should be addressed promptly as it can affect the proper functioning of the ABS and stability control systems in the vehicle. Ignoring this issue may compromise the vehicle’s safety features and overall performance.
How to diagnose DTC C1102 on BMW
To diagnose the DTC C1102 code on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s system
- Inspect the FlexRay communication network wiring for any visible damage or corrosion
- Check the connectors and terminals in the FlexRay system for proper connection
- Test the ABS and stability control modules for functionality
How to fix DTC C1102 on BMW
To fix the DTC C1102 code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring in the FlexRay communication network
- Clean and secure any loose or corroded connectors in the FlexRay system
- Replace any faulty ABS or stability control modules if necessary
How to erase DTC C1102 on BMW
After addressing the underlying issue causing the DTC C1102 code on a BMW, the code can be erased using a diagnostic scanner. The scanner can clear the fault codes stored in the vehicle’s system, resetting the ABS and stability control modules to normal operation.
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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