BMW DTC U119B – Lost Communication With Ambient Temperature
DTC U119B meaning on BMW
DTC U119B on a BMW indicates a communication error between the vehicle’s control modules and the ambient temperature sensor. This error code is specifically related to the loss of communication with the ambient temperature sensor, which is responsible for providing the vehicle’s internal systems with information about the outside temperature.
BMW DTC U119B symptoms
Symptoms of DTC U119B on a BMW may include:
- Incorrect temperature readings on the vehicle’s display
- Issues with the climate control system
- Malfunctioning automatic headlights
BMW DTC U119B causes
The common causes of DTC U119B on a BMW include:
- Defective ambient temperature sensor
- Wiring or connection issues between the sensor and control modules
- Faulty control module
BMW DTC U119B seriousness
While DTC U119B may not directly affect the drivability of the vehicle, it can lead to inconvenience and potential issues with the vehicle’s comfort and convenience features. It is recommended to address this issue to ensure proper functioning of the affected systems.
How to diagnose DTC U119B on BMW
To diagnose DTC U119B on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s control modules
- Inspect the ambient temperature sensor and its wiring for any visible damage or corrosion
- Check the connections between the sensor and control modules for proper contact
- If necessary, perform a continuity test on the sensor and wiring to identify any faults
How to fix DTC U119B on BMW
To fix DTC U119B on a BMW, you can try the following solutions:
- Replace the ambient temperature sensor if it is found to be faulty
- Repair or replace any damaged wiring or connectors related to the sensor
- If the control module is determined to be the issue, it may need to be reprogrammed or replaced
How to erase DTC U119B on BMW
To erase DTC U119B on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s control modules. After addressing the underlying issue causing the fault code, clearing the code will 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
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.