BMW DTC U122D – Message Monitoring Roadway Tilt Check Sum Error
DTC U122D meaning on BMW
DTC U122D on a BMW refers to a Message Monitoring Roadway Tilt Check Sum Error. This diagnostic trouble code indicates that there is an error in the checksum calculation for the roadway tilt monitoring system messages.
BMW DTC U122D symptoms
Symptoms of DTC U122D on a BMW may include:
- Warning light on the dashboard
- Inaccurate or erratic readings from the roadway tilt monitoring system
BMW DTC U122D causes
The causes of DTC U122D on a BMW can include:
- Faulty roadway tilt monitoring system sensor
- Interference or communication issues within the system
- Software or programming errors
BMW DTC U122D seriousness
While DTC U122D may not directly affect the drivability of the vehicle, it is important to address this issue as it can impact the accuracy of the roadway tilt monitoring system. Ignoring this error could lead to potential safety concerns or incorrect readings.
How to diagnose DTC U122D on BMW
To diagnose DTC U122D on a BMW, a mechanic would typically:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the roadway tilt monitoring system components for any visible damage or issues
- Perform system tests to identify the source of the error
How to fix DTC U122D on BMW
To fix DTC U122D on a BMW, the following steps may be taken:
- Replace any faulty roadway tilt monitoring system sensors
- Check and repair any wiring or communication issues within the system
- Update or reprogram the system software if necessary
How to erase DTC U122D on BMW
To erase DTC U122D on a BMW, the fault codes can be cleared using a diagnostic scanner. After addressing the underlying issue and making the necessary repairs, the codes can be reset to remove the error from the system.
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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