U2004 - Audio Steering Wheel Control Unit is Not Responding
U2004 is a generic network/communication diagnostic trouble code indicating Audio Steering Wheel Control Unit is Not Responding. It relates to the System-Specific system.
DTC Breakdown (SAE J2012)
| System | Network/Communication (U) |
| Type | Generic |
| Subsystem | System-Specific |
| Fault Index | 04 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code U2004 mean?
The dtc/">diagnostic trouble code U2004 represents Audio Steering Wheel Control Unit is Not Responding. 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 U2004 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about U2004
What does U2004 mean?
The diagnostic trouble code U2004 represents Audio Steering Wheel Control Unit is Not Responding. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
What is the system for U2004?
The U2004 code is located in the vehicle's Network/Communication network.