# P219A on the 2021 Ram 1500

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 P219A

- [11032831](https://open.wenmarpro.com/bulletins/11032831), 2026-05-20: Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P219A \- Bank 1 Air\-Fuel Ratio Imbalance Bank 1. Customers may also comment on the following: ● \*\*Potential under run or stall when the vehicle utilizes the Trailer Reverse Steering Control feature and is connected to a trailer attempting to backup.\*\* This bulletin involves reprogramming the PCM with the latest available software.
- [11032654](https://open.wenmarpro.com/bulletins/11032654), 2026-05-13: Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P219A \- Bank 1 Air\-Fuel Ratio Imbalance Bank 1. Customers may also comment on the following: ● \*\*Potential under run or stall when the vehicle utilizes the Trailer Reverse Steering Control feature and is connected to a trailer attempting to backup.\*\* This bulletin involves reprogramming the PCM with the latest available software.
- [10230329](https://open.wenmarpro.com/bulletins/10230329), 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 the technician may find the following DTC: P219A \- Bank 1 Fuel/Air Ratio Imbalance\(North America Only\). Customers may also experience one or more of the following: An engine stall at low engine mileage and mostly low vehicle speeds 16 \- 24 kph \(10 \- 15 mph\). LED light in the Start/Stop button will not illuminate when pressed.
- [10226043](https://open.wenmarpro.com/bulletins/10226043), 2022-11-07: Flash: Powertrain Control Module \(PCM\) This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code \(DTC\) has been set: P219A \- Bank 1 Fuel/Air Ratio Imbalance.
- [10223793](https://open.wenmarpro.com/bulletins/10223793), 2022-10-17: 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 the technician may find the following DTC: P219A \- Bank 1 Fuel/Air Ratio Imbalance\(North America Only\). Customers may also experience one or more of the following: An engine stall at low engine mileage and mostly low vehicle speeds 16 \- 24 kph \(10 \- 15 mph\). LED light in the Start/Stop button will not illuminate when pressed.
- [10219929](https://open.wenmarpro.com/bulletins/10219929), 2022-09-15: Customer complaint may include the transmission going into neutral on its own. A Mil\-on/check engine lamp\-on condition may also be present. Upon further investigation, one or more of the following DTCs may be set in the powertrain control module \(PCM\): P219A\-Bank 1 Air\-Fuel Ratio Imbalance P219B\-Bank 2 Air\-Fuel Ratio Imbalance P2173\-High Airflow/Vacuum Leak Detected \(Slow Accumulation\) P2172\-High Airflow/Vacuum Leak Detected \(Instantaneous Accumulation\) P0172\-Fuel System 1/1 Rich P0175\-Fuel System 2/1 Rich \(Incorrect "July 2021" on document\)
- [10218469](https://open.wenmarpro.com/bulletins/10218469), 2022-08-22: Customer complaint may include the transmission going into neutral on its own. A Mil\-on/check engine lamp\-on condition may also be present. Upon further investigation, one or more of the following DTCs may be set in the powertrain control module \(PCM\): P219A\-Bank 1 Air\-Fuel Ratio Imbalance P219B\-Bank 2 Air\-Fuel Ratio Imbalance P2173\-High Airflow/Vacuum Leak Detected \(Slow Accumulation\) P2172\-High Airflow/Vacuum Leak Detected \(Instantaneous Accumulation\) P0172\-Fuel System 1/1 Rich P0175\-Fuel System 2/1 Rich \(Incorrect "July 2021" on document\)