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Service bulletin 0811721

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 id10230254
Published by NHTSA2023-01-17
Manufacturer's number0811721
Manufacturer's date2021-07-14
NHTSA componentEQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM

NHTSA's summary

UAS and UCS Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 39.6 Customers may experience one or more of the following: Intermittent, black radio display screen. Intermittent, radio freezes. Bluetooth® pairing and/or connection issues. Lost radio presets. Radio channels change by itself. SXM icon inoperative. USB hub inoperable. Heated steering wheel inoperable. SXM favorite song not displaying/playing. High pitch chime noise. Contact list not loading. Device not supported message. Remote app inoperable. Travel-link fuel price incorrect. Navigation displays incorrect location. Backup camera grid lines missing. Unable to adjust volume.

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, Equipment and accessories

Vehicles listed
RAM 15002018, 2019, 2020
RAM 25002018
RAM 35002018
RAM 45002018
RAM 55002018

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
19V5560002019-07-26. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
19V1420002019-02-28. ELECTRICAL SYSTEM:12V/24V/48V BATTERY
18V5240002018-08-09. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
18V3320002018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING
20182302018-05-03. Accessories
20176632017-12-22. Accessories
17V8240002017-12-21. EQUIPMENT

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
91009232026-09-30. Service bulletin. AIR CLEANER - NONE Instruction to Dealers while ordering the PN# 68137142AD. 1. If the Air Cleaner Assembly is functional and only the MAF Sensor has failed, the dealer should order and replace only the MAF Sensor(68002441AC). 2. If the Air Cleaner Assembly has failed and the MAF Sensor remains functional, the dealer should order the new Air Cleaner Assembly PN(68137142AD) and reuse the existing MAF Sensor(68002441AC) from the failed assembly. 3. If both the Air Cleaner Assembly and the MAF Sensor have failed, the dealer should order both the New Air Cleaner Assembly(68137142AD) and the MAF Sensor(68002441AC) as separate service parts.
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
S26080000332026-07-23. Service bulletin. Cluster Message “To Operate Tailgate Shift to Park” Vehicle is In Park
1130692026-07-08. Service bulletin. SWITCH – HEADLAMP
1130702026-07-08. Service bulletin. SWITCH – HEADLAMP
S1623000028 Rev. K2026-06-18. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S1623000028 REV.I2026-06-03. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.