# B22A9 on the 2023 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

- [11034890](https://open.wenmarpro.com/bulletins/11034890), 2026-07-08: Flash: Integrated Dual Charging Module \(IDCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● \*\*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. Customers may also comment on the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.
- [11028864](https://open.wenmarpro.com/bulletins/11028864), 2026-02-19: Flash: Integrated Dual Charging Module \(IDCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● \*\*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. Customers may also comment on the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.
- [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
- [11013575](https://open.wenmarpro.com/bulletins/11013575), 2025-02-04: "Flash: Integrated Dual Charging Module \(IDCM\) Enhancements \*\*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\):\*\* ● 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. Customers may also experience the following: ● Vehicle will not charge."
- [11004342](https://open.wenmarpro.com/bulletins/11004342), 2024-07-11: Security Gateway Module Battery Voltage \- Circuit Voltage Below Threshold \- DTC B2199\-16 Repair Action : 1\) Check OR Replacing cabling. 2\) Check OR Replacing connector. 3\) Check the battery is good OR Replacing battery. 4\) Check OR Replacing FUSE. 5\) Check SGW terminal. Battery Voltage \- Circuit Voltage Above Threshold \- DTC B2199\-17 Repair Action : 1\) Check OR Replacing cabling. 2\) Check OR Replacing connector. 3\) Check the battery is good OR Replacing battery. 4\) Check OR Replacing FUSE. 5\) Check SGW terminal. CAN Bus\- \[C\-CAN1\] \(Node mute\) or CAN Bus Off Performance\- \(Bus off failure\) \- Check DTC in DTC matrix Repair Action: 1\) CAN Lines Check 2\) Read Fault memory of all nodes 3\) Check and download the right calibration file for current vehicle configuration Ethernet Bus Failure \- Check DTC Repair Action: 1\) CAN Lines Check 2\) Read Fault memory of all nodes 3\) Check and download the right calibration file for current vehicle configuration ECU\-In\-Plant\-Mode \- B235A\-00 Repair Action: Install Calibration file with correct policy Ecu Internal Performance \- Internal Electronic Failure \- DTC B22A9\-49 Repair Action: 1. If its in store clear and check again if DTC shows up. 2. Check battery voltage 3. Issue still exist then change ECU ECU Not Programmed / Flash Required \(No Valid Application\) \- DTC C221C\-00 Repair Action: 1. Reflash ECU with correct file Control Module Security Certificate Missing/Invalid \- DTC U3033\-00 or U3033\-01 Repair Action: 1. Check connectivity 2. Ethernet network 3. Flash with the latest FOTA App Code 4. Flash the cert store with correct certificate 5. Clear Faults
- [10242789](https://open.wenmarpro.com/bulletins/10242789), 2023-09-25: 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.
- [10241099](https://open.wenmarpro.com/bulletins/10241099), 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.
- [10241079](https://open.wenmarpro.com/bulletins/10241079), 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.
- [10239965](https://open.wenmarpro.com/bulletins/10239965), 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.
- [10236956](https://open.wenmarpro.com/bulletins/10236956), 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.