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Service bulletin 08-180-21

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10204410
Published by NHTSA2021-12-13
Manufacturer's number08-180-21
Manufacturer's date2021-11-25
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from S21B.5 to S21C.6 (DT and HD), and S21C.8 (WS). The national launch for the FOTA will begin November 24, 2021 for DT and HD and December 10, 2021 For WS 2021. Customers may experience one or more of the following:Apple Carplay® concerns. Multiple Human Machine Interface (HMI) issues. Weather App will not open. Temperature Control soft button difficult to press and get a response. Voice Recognition audio muted. Radio Freezes. Android Auto® widget screen smaller than normal. Navigation says ?You have reached your destination? before you are at the location when using Android Auto.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
JEEP WAGONEER2022
RAM 15002022
RAM 25002022
RAM 35002022
RAM 45002022
RAM 55002022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V2980002025-05-08. AIR BAGS; ELECTRICAL SYSTEM:WIRING
20230262023-02-09. Electrical
23V0600002023-02-09. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
20216292021-10-14. Electrical
21V7980002021-10-14. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
08-221-26 REV. B2026-09-30. Service bulletin. 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
91009012026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
S2623000001 REV.A2026-09-03. Service bulletin. Rotary Shifter Lights Blinking, Shifter Not Moving, Not Going Into Gear.
9100861 Rev 42026-08-26. Service bulletin. 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.
1140722026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR
1140732026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR
1137442026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED
1137422026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED
08-291-262026-07-29. Service bulletin. R1H UBQ/UEQ Intermittent HVAC Page Lockup Customers may experience one or more of the following: SYMPTOM: ● Intermittently the HVAC page on the Display Screen Module will change temperature and blower speed and then freeze. ● When on the HVAC page, the Display Screen Module may not respond to touch. All other pages operate as intended.
08-288-262026-07-29. Service bulletin. Radio Does Not Display Selected Drive Mode Customers may experience the following: SYMPTOM: ● Drive Mode setting reverts back to "Auto" on Display Screen Module while the Instrument Panel Cluster (IPC) shows the Drive Mode that has been requested.