# B22A9 on the 2021 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

- [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
- [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
- [10214577](https://open.wenmarpro.com/bulletins/10214577), 2022-06-27: Uconnect Box Error Message On Radio Screen And DTC code B22A9\-96 Set
- [10214536](https://open.wenmarpro.com/bulletins/10214536), 2022-06-27: MODULE, Telematics A brand\-new vehicle with telematics box, customer may report Uconnect box error popup on the screen every time the vehicle is ignition on. Missing security certificate on a new vehicle 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 Stellantis engineers for more guidance. FCA Redacted Content