BMW DTC C1128 – Power Steering Control Module Software Error
DTC C1128 meaning on BMW
DTC C1128 on a BMW refers to a Power Steering Control Module Software Error. This diagnostic trouble code indicates that there is an issue with the software programming of the power steering control module in the vehicle.
BMW DTC C1128 symptoms
Symptoms of BMW DTC C1128 may include:
- Loss of power steering assistance
- Stiff or heavy steering feel
- Warning light on the dashboard related to power steering
BMW DTC C1128 causes
Common causes of BMW DTC C1128 include:
- Software glitch or corruption in the power steering control module
- Electrical issues affecting the communication between the control module and other vehicle systems
BMW DTC C1128 seriousness
The seriousness of DTC C1128 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 safe operation of the vehicle.
How to diagnose DTC C1128 on BMW
To diagnose DTC C1128 on a BMW, a mechanic would typically:
- Use a diagnostic scanner to retrieve the fault codes stored in the power steering control module
- Inspect the electrical connections and wiring related to the power steering system
- Perform software updates or reprogramming of the power steering control module if necessary
How to fix DTC C1128 on BMW
To fix DTC C1128 on a BMW, the following steps may be taken:
- Update or reprogram the software in the power steering control module
- Check and repair any faulty electrical connections or wiring affecting the power steering system
- Clear the fault codes using a diagnostic scanner after the repairs have been completed
How to erase DTC C1128 on BMW
To erase DTC C1128 on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the power steering control module. Once the underlying issue has been addressed and fixed, the fault codes can be cleared to reset the system 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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