U0274 - Lost Communication With Lighting Driver Control Module “B”
U0274 is a generic network/communication diagnostic trouble code indicating Lost Communication With Lighting Driver Control Module “B”. It relates to the System-Specific system.
DTC Breakdown (SAE J2012)
| System | Network/Communication (U) |
| Type | Generic |
| Subsystem | System-Specific |
| Fault Index | 74 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code U0274 mean?
The dtc/">diagnostic trouble code U0274 represents Lost Communication With Lighting Driver Control Module “B”. 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 U0274 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about U0274
What does U0274 mean?
The diagnostic trouble code U0274 represents Lost Communication With Lighting Driver Control Module “B”. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
What is the system for U0274?
The U0274 code is located in the vehicle's Network/Communication network.