BMW DTC C108B – Internal DSC Control Module Valve Coil ‘B’ Circuit Electrical
DTC C108B meaning on BMW
DTC C108B on a BMW refers to an Internal DSC (Dynamic Stability Control) Control Module Valve Coil ‘B’ Circuit Electrical fault. This fault code indicates an issue with the electrical circuit related to the valve coil ‘B’ within the DSC control module.
BMW DTC C108B symptoms
Symptoms of DTC C108B on a BMW may include:
- ABS (Anti-lock Braking System) warning light illuminated on the dashboard
- Traction control system malfunction
- Decreased stability and control while driving
BMW DTC C108B causes
Common causes of DTC C108B on a BMW include:
- Faulty valve coil ‘B’ within the DSC control module
- Wiring or connector issues in the circuit related to the valve coil ‘B’
- Corrosion or poor connections in the electrical system
BMW DTC C108B seriousness
DTC C108B should be addressed promptly as it can affect the proper functioning of the DSC system, which is crucial for vehicle stability and safety. Driving with this fault unresolved may lead to compromised control and increased risk of accidents.
How to diagnose DTC C108B on BMW
To diagnose DTC C108B on a BMW, a mechanic would typically:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the wiring and connectors in the valve coil ‘B’ circuit for any damage or corrosion
- Perform electrical tests to check the continuity and resistance in the circuit
How to fix DTC C108B on BMW
To fix DTC C108B on a BMW, the following steps may be taken:
- Replace the faulty valve coil ‘B’ within the DSC control module
- Repair or replace any damaged wiring or connectors in the circuit
- Clean or repair any corroded connections in the electrical system
How to erase DTC C108B on BMW
After fixing the underlying issue causing DTC C108B on a BMW, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the warning light on the dashboard.
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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