U040B - Invalid Data Received From Exhaust Gas Recirculation Control Module A
U040B is a generic network/communication diagnostic trouble code indicating Invalid Data Received From Exhaust Gas Recirculation Control Module A. It relates to the System-Specific system.
DTC Breakdown (SAE J2012)
| System | Network/Communication (U) |
| Type | Generic |
| Subsystem | System-Specific |
| Fault Index | 0B |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code U040B mean?
The dtc/">diagnostic trouble code U040B represents Invalid Data Received From Exhaust Gas Recirculation Control Module A. 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 U040B are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about U040B
What does U040B mean?
The diagnostic trouble code U040B represents Invalid Data Received From Exhaust Gas Recirculation Control Module A. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
What is the system for U040B?
The U040B code is located in the vehicle's Network/Communication network.