WenmarOpen by Wenmar Pro

Service bulletins for the 2022 Jeep Grand Cherokee

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1166 on file from NHTSA, as of 2026-10-19.

About B22A9 on the 2022 Jeep Grand Cherokee: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: B22A9 are shown. Show all

Bulletins, newest first
08-259-262026-07-08. Service bulletin. ELECTRICAL SYSTEM. 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.
S25080001002025-11-13. Service bulletin. ELECTRICAL SYSTEM. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
08111232023-08-21. Service bulletin. ELECTRICAL SYSTEM. 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.
0811123A2023-08-21. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. 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.
08111232023-07-31. Service bulletin. ELECTRICAL SYSTEM. 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.
08111232023-05-30. Service bulletin. ELECTRICAL SYSTEM. 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.
91000082023-01-09. Service bulletin. ELECTRICAL SYSTEM. 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
S228A0000032022-11-07. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE; UNKNOWN OR OTHER. Uconnect Box Error Message On Radio Screen And Diagnostic Trouble Code (DTC) code B22A9-96 Set
91000082022-10-31. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT:ELECTRICAL:ANTENNA; ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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
91000082022-10-31. Service bulletin. ELECTRICAL SYSTEM. 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
S228A0000032022-06-27. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Uconnect Box Error Message On Radio Screen And DTC code B22A9-96 Set
90045362022-06-27. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM. 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

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.