U019A
Lost Communication With Tachograph Module
U019A is an OBD-II diagnostic trouble code meaning: Lost Communication With Tachograph Module. Common causes: broken or damaged wires in the communication circuit, tachograph module malfunction. Estimated repair cost: $56–222.
Symptoms
- Check Engine Light Is On
- The tachograph does not work or shows errors
- It is impossible to read data from the tachograph
- Intermittent tachograph operation
Causes
- Broken or damaged wires in the communication circuit
- Tachograph module malfunction
- Problems with power supply to the tachograph module
- Computer malfunctions
- Software errors
How to Fix
- Check the integrity of wiring and connectors
- Check the power and ground of the tachograph module
- Scan the system for other errors
- Reflash or replace the tachograph module if necessary
- Repair only from an authorized dealer
Related codes
Error U019A by Vehicle Brand
FAQ
What does the U019A code mean?
U019A is an OBD-II diagnostic trouble code that indicates: Lost Communication With Tachograph Module
What causes a U019A error code?
The most common causes of U019A include: Broken or damaged wires in the communication circuit; Tachograph module malfunction; Problems with power supply to the tachograph module; Computer malfunctions.
How do I fix a U019A diagnostic trouble code?
To fix U019A: Check the integrity of wiring and connectors. Check the power and ground of the tachograph module. Scan the system for other errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U019A?
Yes, but get it checked soon
How much does it cost to fix U019A?
The estimated repair cost for U019A is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat