# P0403 on the 2022 Jeep Wrangler

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0403

- [10229781](https://open.wenmarpro.com/bulletins/10229781), 2023-01-17: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P016F \- Closed Loop Fuel Pressure Control At Limit \- Pressure Too Low. P025C \- Fuel Pump Module Control Circuit Low. P0300\-00 \- Multiple Cylinder Misfire. P0301\-00 \- Cylinder 1 Misfire. P0302\-00 \- Cylinder 2 Misfire. P0303\-00 \- Cylinder 3 Misfire. P0304\-00 \- Cylinder 4 Misfire. P0305\-00 \- Cylinder 5 Misfire. P0403\-00 \- EGR Control Circuit Open \(Disabled Fault\). P208B \- Reductant Pump 1 Control Performance. Other Software enhancements:Low speed engine idle improvements. Improved engine restart performance and torque response during low fuel level and/or hot ambient conditions.
- [10229083](https://open.wenmarpro.com/bulletins/10229083), 2023-01-09: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Code \(DTC\) P0403 ? EGR Control Circuit Open, Set.
- [10223121](https://open.wenmarpro.com/bulletins/10223121), 2022-10-17: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Code \(DTC\) P0403 ? EGR Control Circuit Open, Set.
- [10222930](https://open.wenmarpro.com/bulletins/10222930), 2022-10-17: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Code \(DTC\) P0403 ? EGR Control Circuit Open, Set.
- [10220739](https://open.wenmarpro.com/bulletins/10220739), 2022-09-26: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Code \(DTC\) P0403 ? EGR Control Circuit Open, Set.
- [10212342](https://open.wenmarpro.com/bulletins/10212342), 2022-05-31: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Code \(DTC\) P0403 ? EGR Control Circuit Open, Set.