# P2099 on the 2014 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 P2099

- [10221024](https://open.wenmarpro.com/bulletins/10221024), 2022-09-26: Flash: MIL Illumination. Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: P2097\- Downstream Fuel Trim System 1 Rich. P2099\- Downstream Fuel Trim System 2 Rich. P0830\- Clutch Pedal Switch ?A? Circuit. \(Vehicles with manual transmission only\) P1239\- Engine Oil Temperature Too Low.The following powertrain system improvements/enhancements are also included in this software release: Corrected a generic scan tool display issue regarding Mode 6 data accuracy.Updating the PCM software will correct the conditions listed above.
- [10218802](https://open.wenmarpro.com/bulletins/10218802), 2022-08-29: Flash: MIL Illumination. Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: ? P2097\- Downstream Fuel Trim System 1 Rich ? P2099\- Downstream Fuel Trim System 2 Rich The following powertrain system improvements/enhancements are also included in this software release: ? Corrected a generic scan tool display issue regarding Mode 6 data accuracy. Updating the PCM software will correct the conditions listed above.
- [10217961](https://open.wenmarpro.com/bulletins/10217961), 2022-08-22: Flash: MIL Illumination. Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: ? P2097\- Downstream Fuel Trim System 1 Rich ? P2099\- Downstream Fuel Trim System 2 Rich The following powertrain system improvements/enhancements are also included in this software release: ? Corrected a generic scan tool display issue regarding Mode 6 data accuracy. Updating the PCM software will correct the conditions listed above.
- [10139744](https://open.wenmarpro.com/bulletins/10139744), 2018-06-11: Flash: MIL Illumination. Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: P2097\- Downstream Fuel Trim System 1 Rich. P2099\- Downstream Fuel Trim System 2 Rich. P0830\- Clutch Pedal Switch ?A? Circuit. \(Vehicles with manual transmission only\) P1239\- Engine Oil Temperature Too Low.The following powertrain system improvements/enhancements are also included in this software release: Corrected a generic scan tool display issue regarding Mode 6 data accuracy.Updating the PCM software will correct the conditions listed above.
- [10139636](https://open.wenmarpro.com/bulletins/10139636), 2018-06-11: Flash: MIL Illumination. Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: ? P2097\- Downstream Fuel Trim System 1 Rich ? P2099\- Downstream Fuel Trim System 2 Rich The following powertrain system improvements/enhancements are also included in this software release: ? Corrected a generic scan tool display issue regarding Mode 6 data accuracy. Updating the PCM software will correct the conditions listed above.