# B22A9 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.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name B22A9

- [11034899](https://open.wenmarpro.com/bulletins/11034899), 2026-07-08: Flash: Integrated Dual Charging Module \(IDCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation SYMPTOM: the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ● \*\*B22A9\-87 \- ECU Internal Performance\-Missing Message. ● P0D21\-00 \- Battery Charger "A" Output Voltage Too Low.\*\* ● B22A9\-16 \- ECU Internal Performance\-Circuit Voltage Below Threshold. ● B22A9\-17 \- ECU Internal Performance\-Circuit Voltage Above Threshold. ● B22A9\-19 \- ECU Internal Performance \- Overcurrent. ● B22A9\-64 \- ECU Internal Performance\-Signal Plausibility Failure. Customers may also experience the following: ● Vehicle will not charge. \*\*This bulletin involves reprogramming the IDCM with the latest software available.\*\*
- [11025512](https://open.wenmarpro.com/bulletins/11025512), 2025-11-13: Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
- [10248046](https://open.wenmarpro.com/bulletins/10248046), 2024-01-02: Integrated Dual Charging Module \(IDCM\) Replacement Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following DTCs have been set: ? B22A9\-87 \- ECU Internal Performance\-Missing Message. Customer may also experience the following: ? Unable to charge the vehicle. This bulletin involves replacing the IDCM.
- [10248012](https://open.wenmarpro.com/bulletins/10248012), 2024-01-02: Flash: Integrated Dual Charging Module \(IDCM\) Enhancements Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) have been set: ? B22A9\-64 \- ECU Internal Performance\-Signal Plausibility Failure. ? B22A9\-16 \- ECU Internal Performance\-Circuit Voltage Below Threshold. ? B22A9\-17 \- ECU Internal Performance\-Circuit Voltage Above Threshold. ? B22A9\-19 \- ECU Internal Performance\-Overcurrent. Customer may also experience the following: ? Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this IDCM update: ? Powertrain Control Module \(PCM\). ? Integrated Dual Charging Module \(IDCM\). ? Transmission Control Module \(TCM\). ? Battery Pack Control Module \(BPCM\). ? Hybrid Control Processor \(HCP\), Auxiliary Hybrid Control Processor \(AHCP\) also known as the Power Inverter Module \(PIM\).
- [10241117](https://open.wenmarpro.com/bulletins/10241117), 2023-08-21: Flash: Integrated Dual Charging Module \(IDCM\) Enhancements Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) have been set: ? B22A9\-64 \- ECU Internal Performance\-Signal Plausibility Failure. ? B22A9\-16 \- ECU Internal Performance\-Circuit Voltage Below Threshold. ? B22A9\-17 \- ECU Internal Performance\-Circuit Voltage Above Threshold. ? B22A9\-19 \- ECU Internal Performance\-Overcurrent. Customer may also experience the following: ? Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this IDCM update: ? Powertrain Control Module \(PCM\). ? Integrated Dual Charging Module \(IDCM\). ? Transmission Control Module \(TCM\). ? Battery Pack Control Module \(BPCM\). ? Hybrid Control Processor \(HCP\), Auxiliary Hybrid Control Processor \(AHCP\) also known as the Power Inverter Module \(PIM\).
- [10234519](https://open.wenmarpro.com/bulletins/10234519), 2023-04-17: Integrated Dual Charging Module \(IDCM\) Replacement Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following DTCs have been set: ? B22A9\-87 \- ECU Internal Performance\-Missing Message. Customer may also experience the following: ? Unable to charge the vehicle. This bulletin involves replacing the IDCM.
- [10234485](https://open.wenmarpro.com/bulletins/10234485), 2023-04-17: Flash: Integrated Dual Charging Module \(IDCM\) Enhancements Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) have been set: ? B22A9\-64 \- ECU Internal Performance\-Signal Plausibility Failure. ? B22A9\-16 \- ECU Internal Performance\-Circuit Voltage Below Threshold. ? B22A9\-17 \- ECU Internal Performance\-Circuit Voltage Above Threshold. ? B22A9\-19 \- ECU Internal Performance\-Overcurrent. Customer may also experience the following: ? Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this IDCM update: ? Powertrain Control Module \(PCM\). ? Integrated Dual Charging Module \(IDCM\). ? Transmission Control Module \(TCM\). ? Battery Pack Control Module \(BPCM\). ? Hybrid Control Processor \(HCP\), Auxiliary Hybrid Control Processor \(AHCP\) also known as the Power Inverter Module \(PIM\).
- [10221507](https://open.wenmarpro.com/bulletins/10221507), 2022-09-26: Flash: Integrated Dual Charging Module \(IDCM\) Enhancements This bulletin involves reprogramming the IDCM with the latest software available or replacing the IDCM if required. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) have been set: B22A9\-64 \- ECU Internal Performance\-Signal Plausibility Failure. Customer may also experience the following:Vehicle will not charge.