U116C – BMW DTC

BMW DTC U116C – Message Monitoring Cruise Control Check Sum Error

DTC U116C meaning on BMW

The DTC U116C code on a BMW refers to a Message Monitoring Cruise Control Check Sum Error. This error code indicates that there is a discrepancy in the data being transmitted between the various modules in the cruise control system.

BMW DTC U116C symptoms

Symptoms of the BMW DTC U116C code may include:

• Cruise control not engaging or functioning properly
• Check Engine Light (CEL) illuminated on the dashboard
• Loss of communication with the cruise control module

BMW DTC U116C causes

The DTC U116C code on a BMW can be caused by various factors, including:

• Faulty cruise control module
• Wiring or connection issues in the cruise control system
• Software glitches or communication errors between modules

BMW DTC U116C seriousness

While the DTC U116C code may not directly affect the drivability of the vehicle, it is important to address this issue promptly. Ignoring this error code could lead to further malfunctions in the cruise control system, potentially compromising the safety and convenience of the vehicle.

How to diagnose DTC U116C on BMW

To diagnose the DTC U116C code on a BMW, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the error code and any related codes
2. Inspect the cruise control module and related wiring for any visible damage or corrosion
3. Check for loose connections or poor grounds in the cruise control system
4. Perform a communication test between the modules to identify any communication errors

How to fix DTC U116C on BMW

To fix the DTC U116C code on a BMW, the following steps may be taken:

1. Repair or replace any damaged wiring or connections in the cruise control system
2. Update the software in the affected modules to address any communication errors
3. Replace the cruise control module if it is found to be faulty
4. Clear the error code and perform a test drive to ensure the issue has been resolved

How to erase DTC U116C on BMW

To erase the DTC U116C code on a BMW, the following steps can be followed:

1. Use a diagnostic scanner to clear the error code from the vehicle’s memory
2. Perform a test drive to ensure that the code does not reappear
3. If the code persists, further diagnosis and repairs may be necessary

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.