BMW DTC U1116 – Message Monitoring Vehicle Mode Status Check Sum Error
DTC U1116 meaning on BMW
The DTC U1116 code on a BMW refers to a Message Monitoring Vehicle Mode Status Check Sum Error. This error code indicates a communication issue within the vehicle’s network, specifically related to the monitoring of the vehicle’s mode status.
BMW DTC U1116 symptoms
Symptoms of the BMW DTC U1116 code may include:
- Check Engine Light (MIL) illuminated
- Vehicle may go into limp mode
- Loss of communication with certain vehicle systems
BMW DTC U1116 causes
Common causes of the BMW DTC U1116 code include:
- Faulty communication module
- Wiring or connection issues in the communication network
- Software glitches or malfunctions
BMW DTC U1116 seriousness
The seriousness of the BMW DTC U1116 code can vary. While it may not always result in immediate drivability issues, it is important to address the underlying communication problem to prevent potential future malfunctions or safety concerns.
How to diagnose DTC U1116 on BMW
When diagnosing the DTC U1116 on a BMW, it is recommended to:
- Use a diagnostic scanner to retrieve the specific fault codes
- Inspect the communication modules and wiring for any visible damage
- Perform a network communication test to identify the source of the error
How to fix DTC U1116 on BMW
To fix the DTC U1116 on a BMW, you can:
- Repair or replace any damaged wiring or connectors in the communication network
- Update the software of the communication modules if necessary
- Reset the fault codes and perform a test drive to ensure the issue is resolved
How to erase DTC U1116 on BMW
To erase the DTC U1116 code on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- Ensure that the underlying issue causing the code has been addressed
- Perform a final check to confirm that the code has been successfully erased
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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