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Service bulletin 08-094-21

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 id10198463
Published by NHTSA2021-06-28
Manufacturer's number08-094-21
Manufacturer's date2021-05-25
NHTSA componentEQUIPMENT; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

NHTSA's summary

UKA and UKG Radio Enhancements This bulletin involves updating the radio software level to 1848.35. Customers may experience one or more of the following:Radio display screen flickers. Clock loses 6 seconds per day (2019 JL with UKA). Radio resets with RPM less than 1000 RPM (2020 JL with UKG and 3.0L Diesel - EXJ).

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

Equipment and accessories

Vehicles listed
JEEP GRAND CHEROKEE2018, 2019, 2020
JEEP WRANGLER2019, 2020

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

Recalls for the same vehicles and component
20185932018-10-29. Accessories
18V7590002018-10-29. EQUIPMENT:ACCESSORY:FLOOR MAT

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
08020242024-03-18. Service bulletin. Floor Console USB Inoperative Customers may comment on the following: ? Customer states the Apple Carplay/Android Auto? does not work or is intermittently working when their device is plugged into the center console bin USB port. This replacing the center console USB cable.
S238A0000282024-03-18. Service bulletin. Radio Black Screen, Freezing, Reset, Cutting Out Or Inoperative Intermittently
S248A0000012024-03-18. Service bulletin. SOS and Assistance Call Not Working After Radio Exchange Unit Installed
91002762024-01-16. Service bulletin. Spring Front Upr - Isolator Before replacing this part. Please contact FCA REDACTED CONTENT. ~ If no response in 15 minutes, proceed with repair.
S23230000742024-01-08. Service bulletin. Buzz Squeak Rattle (BSR) From Sound Bar Or Sport Bar Area.
892162024-01-02. Service bulletin. International Warranty Bulletin ID-23-03 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. A)
892112024-01-02. Service bulletin. Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. A)
890792024-01-02. Service bulletin. Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification
931202023-10-02. Service bulletin. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
930232023-10-02. Service bulletin. Warranty Bulletin D-16-03 - "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC (Rev. B)