U019A – BMW DTC

BMW DTC U019A – Lost Communication With Tachograph Module

DTC U019A meaning on BMW

The DTC U019A code on a BMW indicates a communication error between the vehicle’s control module and the tachograph module. The tachograph module is responsible for recording and storing data related to the vehicle’s speed and distance traveled. When communication is lost with this module, it can lead to issues with data accuracy and monitoring.

BMW DTC U019A symptoms

Symptoms of the DTC U019A code on a BMW may include:

• Check Engine Light (MIL) illuminated
• Inaccurate speedometer readings
• Loss of data recording functionality

BMW DTC U019A causes

The DTC U019A code on a BMW can be caused by various factors, including:

• Faulty tachograph module
• Wiring or connection issues between the control module and tachograph module
• Software communication errors

BMW DTC U019A seriousness

While the DTC U019A code may not directly affect the drivability of the vehicle, it can lead to inaccuracies in data recording and monitoring systems. It is important to address this issue to ensure proper functionality and compliance with regulations.

How to diagnose DTC U019A on BMW

To diagnose the DTC U019A code on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the wiring and connections between the control module and tachograph module
3. Check for any software updates or reprogramming needed

How to fix DTC U019A on BMW

To fix the DTC U019A code on a BMW, the following steps may be taken:

1. Repair or replace any faulty tachograph module
2. Repair any damaged wiring or connections
3. Update software or reprogram modules as necessary

How to erase DTC U019A on BMW

To erase the DTC U019A code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. Once the underlying issue has been addressed and fixed, the code can be cleared to reset the Check Engine Light and ensure proper operation.

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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