U049B - Invalid Data Received From Tachograph Module
U049B is a generic network/communication diagnostic trouble code indicating Invalid Data Received From Tachograph Module. It relates to the System-Specific system.
DTC Breakdown (SAE J2012)
| System | Network/Communication (U) |
| Type | Generic |
| Subsystem | System-Specific |
| Fault Index | 9B |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code U049B mean?
The dtc/">diagnostic trouble code U049B represents Invalid Data Received From Tachograph Module. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
Detailed diagnostic guides and specific fix procedures for code U049B are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about U049B
What does U049B mean?
The diagnostic trouble code U049B represents Invalid Data Received From Tachograph Module. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
What is the system for U049B?
The U049B code is located in the vehicle's Network/Communication network.