P0403 - EGR A Control Circuit/Open
P0403 is a generic powertrain diagnostic trouble code indicating EGR A Control Circuit/Open. It relates to the Auxiliary Emission Controls system.
DTC Breakdown (SAE J2012)
| System | Powertrain (P) |
| Type | Generic |
| Subsystem | Auxiliary Emission Controls |
| Fault Index | 03 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P0403 mean?
The dtc/">diagnostic trouble code P0403 represents EGR A Control Circuit/Open. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
Detailed diagnostic guides and specific fix procedures for code P0403 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about P0403
What does P0403 mean?
The diagnostic trouble code P0403 represents EGR A Control Circuit/Open. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
What is the system for P0403?
The P0403 code is located in the vehicle's Powertrain network.