BMW DTC C1122 – Power Steering Control Module Watchdog Error
DTC C1122 meaning on BMW
DTC C1122 on a BMW refers to a Power Steering Control Module Watchdog Error. This diagnostic trouble code indicates that the power steering control module has detected a fault related to its internal monitoring system.
BMW DTC C1122 symptoms
Symptoms of DTC C1122 on a BMW may include:
- Loss of power steering assistance
- Warning lights on the dashboard
- Steering wheel stiffness or difficulty in steering
BMW DTC C1122 causes
The common causes of DTC C1122 on a BMW include:
- Faulty power steering control module
- Wiring or connection issues
- Software glitches
BMW DTC C1122 seriousness
The seriousness of DTC C1122 on a BMW lies in the potential loss of power steering assistance, which can affect the vehicle’s drivability and safety. It is recommended to address this issue promptly to avoid any potential safety hazards.
How to diagnose DTC C1122 on BMW
To diagnose DTC C1122 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the power steering control module.
- Inspect the wiring and connections related to the power steering system for any visible damage or loose connections.
- Perform a software update or reset on the power steering control module.
How to fix DTC C1122 on BMW
To fix DTC C1122 on a BMW, you can try the following solutions:
- Replace the faulty power steering control module with a new one.
- Repair any damaged wiring or connections in the power steering system.
- Perform a software update or reprogramming on the power steering control module.
How to erase DTC C1122 on BMW
To erase DTC C1122 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the power steering control module. Once the codes are cleared, you can test the vehicle to ensure the issue has been resolved.
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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