BMW DTC C1123 – Power Steering Control Module Processor
DTC C1123 meaning on BMW
DTC C1123 on a BMW refers to a fault in the Power Steering Control Module Processor. This diagnostic trouble code indicates an issue with the processing unit of the power steering control module, which can affect the proper functioning of the power steering system in the vehicle.
BMW DTC C1123 symptoms
Symptoms of DTC C1123 on a BMW may include:
- Loss of power steering assistance
- Stiff or heavy steering feel
- Warning light on the dashboard related to the power steering system
BMW DTC C1123 causes
Common causes of DTC C1123 on a BMW include:
- Faulty power steering control module
- Wiring or connection issues in the power steering system
- Software glitches in the control module
BMW DTC C1123 seriousness
The seriousness of DTC C1123 on a BMW lies in the potential loss of power steering assistance, which can make steering the vehicle more difficult and less safe. It is important to address this issue promptly to ensure the proper functioning of the power steering system.
How to diagnose DTC C1123 on BMW
To diagnose DTC C1123 on a BMW, a mechanic may:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the power steering control module for any visible damage
- Check the wiring and connections in the power steering system
How to fix DTC C1123 on BMW
To fix DTC C1123 on a BMW, the following steps may be taken:
- Replace the faulty power steering control module
- Repair any damaged wiring or connections in the power steering system
- Update the software in the control module if necessary
How to erase DTC C1123 on BMW
To erase DTC C1123 on a BMW, a mechanic can:
- Use a diagnostic scanner to clear the fault codes
- Verify that the issue has been resolved by performing a test drive
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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