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Service bulletins for the 2021 Ram 4500

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.

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

By type

By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
90036372022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android Auto or Apply Carplay functionality, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
S21080001692022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Display Abnormality
S228A000009RevA2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. : Wireless Charging Pad Slow Wireless Charging, No Wireless Charging
S228A000004RevA2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. Panasonic VP4R Wi-Fi New Enrollment Pause
S228A0000092022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. An incorrect PDF document S228A000004 Rev. A - Panasonic VP4R Wi-Fi New Enrollment Pause was uploaded for this communication during publishing and was corrected with S228A000009 Rev. A
0808821REVA2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following: Ghost Touch, features, modes and App?s changing without drivers input. Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers
S2008000151RevA2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Outside Air Temperature Displayed On Cluster Or Radio Are Inaccurate
S2108000098RevB2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Radio Screen Freeze, Blank Screen And Reset
08052212022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Flash: Radio Frequency Hub Module (RF-HUB) Updates This bulletin involves reprogramming the RF-HUB with the latest software available. The customer may experience the following:The key fob won't unlock the doors while the vehicle is running and after a remote start.
S21080000982022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Radio Screen Freeze, Blank Screen And Reset
S16080002262022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Battery Tester Warranty Code Procedures, Midtronics Charger Update Process
S160800022612022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Battery Tester Warranty Code Procedures, Medtronic Update Process
S21080000932022-09-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Apple CarPlay Does Not Work Or Not Connecting
08052212022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RF-HUB) Updates This bulletin involves reprogramming the RF-HUB with the latest software available. The customer may experience the following:The key fob won't unlock the doors while the vehicle is running and after a remote start.
S21080000802022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
S21240000042022-09-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C does not cool and vehicle is low on Freon charge but no leak is found with sniffer or black light anywhere in the system
S21080000692022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. SXM Channels Inoperative Above Channel 450
S22080000112022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE; UNKNOWN OR OTHER. Wireless Qi Charger Not Charging
S21080000452022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Favorite Song On-Air Alert List Empty
S21080002042022-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
S21080001982022-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Media Device Connection Guidelines For Bluetooth, Apple CarPlay, Android Auto Or USB To The Radio Head Unit
S21080002042022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
S21080001982022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL. Media Device Connection Guidelines For Bluetooth, Apple CarPlay, Android Auto Or USB To The Radio Head Unit
90043422022-07-18. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD. WINDSHIELD Windshield cracked or blemish. When customer comes in for a cracked windshield, please note the location of crack and take pictures before repair. Please send pictures to FCA Redacted Content or load to the warranty claims system.
S228A0000042022-06-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Panasonic VP4R Wi-Fi New Enrollment Pause

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