# B22A9 on the 2022 Jeep Grand Cherokee

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

- [11034897](https://open.wenmarpro.com/bulletins/11034897), 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\-42 \- ECU Internal Performance\-general Memory 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. ● B22A9\-64 \- ECU Internal Performance \- Signal Plausibility Failure. ● B22A9\-92 \- ECU Internal Performance \- Performance Or Incorrect Operation. Customer may also experience the following: ● 12 volt battery drain. ● 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
- [10241093](https://open.wenmarpro.com/bulletins/10241093), 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 one or more of the following Diagnostic Trouble Codes \(DTCs\) 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.
- [10241081](https://open.wenmarpro.com/bulletins/10241081), 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 one or more of the following Diagnostic Trouble Codes \(DTCs\) 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.
- [10239966](https://open.wenmarpro.com/bulletins/10239966), 2023-07-31: Flash: Integrated Dual Charging Module \(IDCM\) Enhancements Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) 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.
- [10236955](https://open.wenmarpro.com/bulletins/10236955), 2023-05-30: 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.
- [10229435](https://open.wenmarpro.com/bulletins/10229435), 2023-01-09: Telematic box module 2 For customer concern of Uconnect box error popup on the screen every time the vehicle is turned on. A missing security certificate or after a new TBM installed, or any active DTC set by TBM will trigger this popup. Please refer to STAR Online S2108000015 for more information. If you continually see this popup message, also see an active B22A9\-93 DTC, please use wiTECH tool to check TBM2 module and record the failure information as shown on STAR Online S228A000003. Before replacing the TBM module, please check connections behind the TBM, the antenna and harness for improper connection and damage. Please call FCA Redacted Content
- [10226007](https://open.wenmarpro.com/bulletins/10226007), 2022-11-07: Uconnect Box Error Message On Radio Screen And Diagnostic Trouble Code \(DTC\) code B22A9\-96 Set
- [10225298](https://open.wenmarpro.com/bulletins/10225298), 2022-10-31: Telematic box module 2 For customer concern of Uconnect box error popup on the screen every time the vehicle is turned on. A missing security certificate or after a new TBM installed, or any active DTC set by TBM will trigger this popup. Please refer to STAR Online S2108000015 for more information. If you continually see this popup message, also see an active B22A9\-93 DTC, please use wiTECH tool to check TBM2 module and record the failure information as shown on STAR Online S228A000003. Before replacing the TBM module, please check connections behind the TBM, the antenna and harness for improper connection and damage. Please call FCA Redacted Content
- [10225161](https://open.wenmarpro.com/bulletins/10225161), 2022-10-31: Telematic box module 2 For customer concern of Uconnect box error popup on the screen every time the vehicle is turned on. A missing security certificate or after a new TBM installed, or any active DTC set by TBM will trigger this popup. Please refer to STAR Online S2108000015 for more information. If you continually see this popup message, also see an active B22A9\-93 DTC, please use wiTECH tool to check TBM2 module and record the failure information as shown on STAR Online S228A000003. Before replacing the TBM module, please check connections behind the TBM, the antenna and harness for improper connection and damage. Please call FCA Redacted Content