BMW DTC C1101 – FlexRay_High Circuit High
DTC C1101 meaning on BMW
The DTC C1101 for BMW refers to a fault in the FlexRay_High circuit, indicating that there is a high voltage condition detected in the FlexRay communication network on the vehicle.
BMW DTC C1101 symptoms
Symptoms of the DTC C1101 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 C1101 causes
Common causes of the DTC C1101 on a BMW include:
- Faulty FlexRay communication network wiring
- Defective FlexRay communication module
- Corrosion or poor connections in the FlexRay circuit
BMW DTC C1101 seriousness
The DTC C1101 for BMW is considered a moderate seriousness issue. While it may not directly affect the drivability of the vehicle, it can impact the proper functioning of the ABS and stability control systems, compromising safety under certain driving conditions.
How to diagnose DTC C1101 on BMW
To diagnose the DTC C1101 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ABS or stability control system
- Inspect the FlexRay communication network wiring for any visible damage or corrosion
- Check the connections and integrity of the FlexRay communication module
How to fix DTC C1101 on BMW
To fix the DTC C1101 on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring in the FlexRay communication network
- Replace the faulty FlexRay communication module, if necessary
- Clean and secure all connections in the FlexRay circuit
How to erase DTC C1101 on BMW
To erase the DTC C1101 on a BMW, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made to address the underlying issue causing the fault code, the scanner can be used to clear the code from the vehicle’s memory.
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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