U04A4 - Invalid Data Received From Particulate Matter Sensor A
U04A4 is a generic network/communication diagnostic trouble code indicating Invalid Data Received From Particulate Matter Sensor A. It relates to the System-Specific system.
DTC Breakdown (SAE J2012)
| System | Network/Communication (U) |
| Type | Generic |
| Subsystem | System-Specific |
| Fault Index | A4 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code U04A4 mean?
The dtc/">diagnostic trouble code U04A4 represents Invalid Data Received From Particulate Matter Sensor 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 U04A4 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about U04A4
What does U04A4 mean?
The diagnostic trouble code U04A4 represents Invalid Data Received From Particulate Matter Sensor A. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
What is the system for U04A4?
The U04A4 code is located in the vehicle's Network/Communication network.