# Service bulletin S238A000026 REV.A

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.

- Type: Service bulletin
- NHTSA id: 11000856
- Published by NHTSA: 2024\-06\-04
- Manufacturer's number: S238A000026 REV.A
- Manufacturer's date: 2024\-05\-03
- NHTSA component: ELECTRICAL SYSTEM
- Manufacturer's system: Radio

## NHTSA's summary

"Intermittent Black Screen With Or Without Audio, Radio Resets Or Radio Locks Up At Times"

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000856-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000856-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2023 to 2024 CHRYSLER PACIFICA
- 2022 to 2023 CHRYSLER VOYAGER
- 2022 to 2023 DODGE DURANGO
- 2022 to 2023 JEEP COMPASS
- 2022 to 2023 JEEP GRAND WAGONEER
- 2022 to 2023 JEEP WAGONEER
- 2022 to 2023 RAM 1500
- 2022 to 2023 RAM 2500
- 2022 to 2023 RAM 3500
- 2022 to 2023 RAM 4500

## Recalls for the same vehicles and component

- [25V298000](/recalls/nhtsa/25V298000.md), 2025-05-08: AIR BAGS; ELECTRICAL SYSTEM:WIRING
- [23V753000](/recalls/nhtsa/23V753000.md), 2023-11-09: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [23V576000](/recalls/nhtsa/23V576000.md), 2023-08-14: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [2023026](/recalls/tc/2023026.md), 2023-02-09: Electrical
- [23V060000](/recalls/nhtsa/23V060000.md), 2023-02-09: ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
- [23V058000](/recalls/nhtsa/23V058000.md), 2023-02-09: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [2023008](/recalls/tc/2023008.md), 2023-01-18: Electrical
- [23V010000](/recalls/nhtsa/23V010000.md), 2023-01-17: ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; HYBRID PROPULSION SYSTEM: INVERTER
- [2021629](/recalls/tc/2021629.md), 2021-10-14: Electrical
- [21V798000](/recalls/nhtsa/21V798000.md), 2021-10-14: ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS

## Other bulletins for the same vehicles and component

- [S2621000006](/bulletins/11038331.md), 2026-10-07, Service bulletin: ELECTRICAL SYSTEM. Note: Document released 10/2/2026. Multiple Warning Indicators On In The IPC. ESM \- PRNDL Flashing. And The Vehicle Will Not Shift Into Gear. The Wipers May Be On, With An Electric Parking Brake Unavailable.
- [08\-221\-26 REV. B](/bulletins/11037582.md), 2026-09-30, Service bulletin: ELECTRICAL SYSTEM. R1H Radio U41.10 Software Update \- Dealer Option Customers may experience one or more of the following: SYMPTOM: ● \*\*Speakers may emit a humming, screeching, buzzing, clicking, or bass noise \(not related to the amplifier\).\*\* ● FCW OFF light ON with no DTCs and can't turn off. ● Blank screen and then reboot every 2 minutes and 40 seconds. \(Rearview Camera Functions Normally\). ● Paddle shifters not working/no longer a setting. ● Autolocks not working. ● Auto headlights not working. ● AM station not working \(Appears some of the vehicles PROXI defaults to "1" which is absent for AM\). ● Album Art flickering issue. ● Blank screen and then reboot every 2 minutes and 40 seconds. ● CarPlay icon disappears from main screen while still active, leaving no navigation path back. ● Light/dark theme mismatch between Radio and temperature screens at key\-on Radio experiences lockups, resets, blank screens, and language issues after FOTA. ● Valet mode sends duplicate requests causing HU and vehicle state misalignment. ● Rear seat media page intermittently shows a blank screen. ● Unable to select or drag 'Pitch and Roll' widget on home screen. ● USB playback resumes incorrectly, skipping to next track after reconnect. ● Album art not displayed on HMI despite availability in media. ● Incorrect call timer displayed for conference calls. ● Call status remains 'active' on widget after call ends. ● Second call status not updated on home screen widget. ● Rear entertainment tab intermittently blank when switching apps. ● System crashes for 20 to 30 seconds after voice reply action. ● Media progress bar continues incorrectly after second call acceptance. ● CarPlay device fails to reconnect automatically or manually. ● Rear HVAC lock/unlock text missing while icon is present. ● Visual glitch observed on Front Passenger Display Module \(FPDM\) display. ● Surround view camera accessible while driving across apps \(unexpected behavior\). This bulletin involves inspecting and if required, updating the radio software level to U41.10. Depending on the radio's current software level the radio may need a one or two USB update
- [08\-336\-26](/bulletins/11037465.md), 2026-09-23, Service bulletin: ELECTRICAL SYSTEM. Flash: Integrated Dual Charge 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. Customers may experience the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.
- [08\-335\-26](/bulletins/11037464.md), 2026-09-23, Service bulletin: ELECTRICAL SYSTEM. Flash: Integrated Dual Charge 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. Customers may experience the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.
- [9100900](/bulletins/11037346.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [9100901](/bulletins/11037344.md), 2026-09-17, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [S2623000001 REV.A](/bulletins/11036771.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. Rotary Shifter Lights Blinking, Shifter Not Moving, Not Going Into Gear.
- [08\-323\-26](/bulletins/11036745.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. Service 4WD Light Illuminated Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● C2260\-63 \- ECU Internal Performance \- Circuit Component Protection Time\-Out Customers may also comment on the following: ● Service 4WD indicator is illuminated.
- [9100861 Rev 4](/bulletins/11036368.md), 2026-08-26, Service bulletin: ELECTRICAL SYSTEM. PUMP, Auxiliary Coolant, High Temperature Before replacing the High Temperature Auxiliary Coolant Pump, please perform the following steps: 1\) Key ON/OFF and let the after\-run pump run for at least 20 minutes before moving on to step \#2. 2\) Inspect the pump connector area for presence of water. 3\) Inspect the pump connector for corrosion. 4\) Inspect the pump for coolant contamination as this can cause the pump to stall. 5\) Inspect battery terminals for damage to rule out a battery drainage issue. 6\) Ensure the PCM is up\-to\-date with the latest available flash.
- [113855](/bulletins/11036364.md), 2026-08-26, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. SWITCH AND BEZEL \- FRONT DOOR

JSON: [/v1/bulletins/11000856](/v1/bulletins/11000856)

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