NHTSA ID Number: 10187138
Manufacturer Communication Number: 08-015-21
TSB/Document Date: 2021-02-16
Summary
Radio Enhancements This bulletin involves updating the radio software level to 1848.34. Customers may experience one or more of the following:Radio display screen flickers. Radio resets with RPM less than 1000 RPM (DT and JL with 3.0L Diesel). Clock loses 6 seconds per day (JL with 5 inch screen). Ghost Touch, features, modes and App?s changing without drivers input. Bluetooth pop noise. Pop message ?SXM Wait? displayed for extended period of time. The radio resets.
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
- Advanced VCI Box, Industry-leading J2534 Pass-Thru...
- High-Speed OEM-Level Diagnostics & Programming: Unlock true...
- Coverage for 17 Car Brands & Ultra Reliability: Works...
- User-Friendly RLink Platform & Expert Support: TOPDON’s...
- 6.6 ft USB-C Cable & Portable Storage Case: The RLink J...
This product presentation was made with AAWP plugin.
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: 08-015-21
Replacement Service Bulletin Number:
MFR Communication Date: 2021-01-29
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
NUMBER:
GROUP:
DATE:
08-015-21
08 - Electrical
January 29, 2021
This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication may be reproduced, stored in a retrieval system, or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA
US LLC.
This bulletin supersedes Technical Service Bulletin (TSB) 08-124-19, date of issue December
14, 2019, which should be removed from your files. All revisions are highlighted with
**asterisks** and include software, vehicle line, sales codes, remove clean date, symptom/
conditions and LOPs.
SUBJECT:
Radio Enhancements
OVERVIEW:
This bulletin involves updating the radio software level to **1848.34.**
MODELS:
**2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
(DD)
(DP)
(DJ)
(DF)
(D2)
(LD)
(LA)
(JT)
(JL)
(WD)
(WK)
(RU)
(DT)
(KL)
RAM
3500 Cab Chassis
RAM
4500/5500 Cab Chassis
RAM
2500 Pickup
RAM
3500 >> Proceed to Step 11.
• NO >>> Proceed to Step 2.
-3-
08-015-21
2. Perform the following steps to format the USB flash drive (Fig. 1) .
a. Select “FAT32” format.
b. Select “Default allocation size” under Allocation Unit Size.
c. Select “Quick Format” under Format Options.
d. Click “Start”.
Fig. 1
Formatting The USB Flash Drive
3. Go to DealerCONNECT>Service>Uconnect Command Center>Uconnect>More Information
>Dealer software downloads to download the files.
4. If a security message appears “Do you want to view only the web page content that was
delivered securely?” (Fig. 2) . Press “No” to continue.
Fig. 2
Pop-Up Security Message
NOTE: If the software cannot be downloaded, make sure you have proper security access. If
not, have the Service Manager or Shop Foreman download the software update.
08-015-21
-4-
5. Use a blank USB flash drive with at least 8 GB of space. Follow the on-screen instructions to
download the software files.
6. Download the software update file to your local PC’s desktop. Make sure to select the “MAC”
radial button for all downloads (Fig. 3) .
Fig. 3
MAC Download Steps
7. Be sure to download the file to your PC’s desktop and open it (Fig. 4) .
NOTE: The USB should only contain a folder labeled “18000000” on it after files are
extracted to it.
Fig. 4
Extracted File
-5-
08-015-21
8. Extract the downloaded file to the USB flash drive (Fig. 5) .
NOTE: It may take a few minutes for an accurate extraction time to be displayed.
Fig. 5
Extract File To USB
9. Once the file is extracted to the USB flash drive flash drive, it is recommended to label the USB
flash drive with the bulletin number and proper radio Sales Code.
NOTE: Eject the USB flash drive properly from your PC. Failure to eject the USB flash drive
properly may result in an improper file byte size and cause the update to not fully
download.
10. Perform the following steps to properly eject the USB flash drive (Fig. 6) :
a. Right click on the location of the USB flash drive.
b. Click “Eject” to avoid data corruption.
c. Remove the USB flash drive from the PC.
Fig. 6
Ejecting The USB Flash Drive
NOTE: Verify the vehicle fuel level is at least 1/8 of a tank. If not, add fuel as required. If
necessary, take vehicle out of ship mode and enter customer mode.
11. Shut off all remaining accessories for the duration of the update (flashers, climate controls,
etc.).
12. Wait for the radio to fully power on and initialize. Ensure all splash, partner logo, animation,
disclaimer and main screens have loaded, before starting the software update.
08-015-21
-6-
CAUTION! Ensure no other device is plugged into any of the USB ports while performing
this update. If other devices are connected to the USB ports during the update, it
may cause failure of files to be loaded. Failure to do so may cause the radio to
need replacement.
NOTE: The engine must be running and radio powered on during the update. Failure to do
so may result in the radio not being updated and create connectivity issues. DO NOT
remove the USB flash drive during the update.
13. Start the vehicle and insert the USB flash drive into the USB port.
14. Wait for the software update pop-up window to appear on the screen.
NOTE: There can be more than one older current software level depending on vehicle/
radio manufacture time of build.
15. Verify the screen states the following: 9Current: 18XX.XX Update to: **1848.34** Approx time:
30 minutes9. Is the radio current software level at or higher than **1848.34?**
• YES >>> The radio software is already up to date. Press “Cancel” to exit. Normal diagnostics
should be performed.
• NO >>> The radio software needs to be updated. Proceed to Step 16.
NOTE: During the first 30 seconds of the software update, the current software is erased.
The radio will then re-boot and re-start to begin the update of the software. Many
software partitions are displayed on the screen during the update process.
16. Press “Yes” to start the update. The software update takes approximately 30 minutes to
complete (Fig. 7) .
Fig. 7
Update Ready to Install
17. Did the update fail after insertion of the USB flash drive into the USB port?
• YES >>> For KL vehicles only proceed to Step 18. For all other vehicles, re-start update
procedure at Step 11.
• NO >>> Proceed to Step 19.
18. NOTE: Perform the following Step for KL vehicles only if the update attempt failed.
Leave the USB flash drive in the USB port and perform the following:
a. Cycle the ignition on then off.
b. Radio should resume the update.
c. After the update has been downloaded, proceed to Step 19.
-7-
08-015-21
NOTE: If the software update was performed two times and still failed to update. Normal
diagnostic should be performed.
NOTE: Do not remove the USB flash drive before you are instructed to (Fig. 8) .
Fig. 8
Do Not Remove USB Flash Drive
19. Wait for the 9Radio was successfully updated9 screen (Fig. 9) .
Fig. 9
Update Successful Screen
20. Wait until radio resets and audio is heard before removing the USB flash drive!
21. Verify the software version is **1848.34** by re-inserting the USB flash drive into the USB port.
Did the Software Update pop-up again, displaying the following: 9Current: **1848.34 Update to:
1848.34** Update not available to same software version9?
• YES >>> The software update is complete, press “Cancel” then remove the USB flash drive
from the USB port.
• NO >>> Verify the file sizes on the USB flash drive to ensure they are correct and then
attempt the update again. Re-start at Step 11.
NOTE: On KL vehicles, if the odometer is flashing the vehicle may need a Proxi alignment.
08-015-21
-8-
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No: Description
Skill Category
Amount
**18-60-02-AJ
Radio, Software - Create
USB Jump Drive From
Uconnect Website (One
Time Only)
(0 - Introduction)
6 - Electrical and Body Systems
0.4 Hrs.
18-60-02-AL
Radio, Check Software Level
and Perform Software
Update
Sales Codes UMA, UKA,
UAA, UCA, UDA, UJA, UGA
Only)
(0 - Introduction)
Radio, Check Software Level
and Perform Software
Update
All Other Radios listed on
This Bulletin
(0 - Introduction)
6 - Electrical and Body Systems
0.9 Hrs.
6 - Electrical and Body Systems
0.5 Hrs.**
18-60-02-AK
NOTE: The “One Time Only” LOP is used one time per dealer when downloading the
software onto a USB flash drive. The dealer can only use the download LOP, one
time for each of the radios listed.
FAILURE CODE:
The dealer must use failure code CC with this Service Bulletin.
• If the customer’s concern matches the SYMPTOM/CONDITION identified in the Service
Bulletin, failure code CC is to be used.
• When utilizing this failure code the 3C’s (customer’s concern, cause and correction) must be
provided for processing Service Bulletin flash/reprogramming conditions.
CC
Customer Concern
- 💝【Questions? We’re Here Anytime】MK808S is a high-end flagship model that connects via wired OBD2 for faster, more stable, and reliable diagnosis compared to B,.T tools. If you have any questions about setup, activation, features, additional accessories, or update subscriptions, please reach us and we will respond promptly to assist you. It includes 1-Year F.ree Updates (124.5 bucks/year after), and most functions still work after expiration except a few online features. Please note some functions like full TPMS are not supported, reach us for model recommendations.
- 🔥🔥🔥【2026 NEWLY RELEASED BI-DIRECTIONAL CONTROL】As the 2026 upgraded version of MaxiChek MX808 MaxiDiag MD909 Pro MD906 Pro, our Newest MK808S auto diagnostic scanner for all cars inherits the powerful Bi-directional Control which makes it the most cost-effective scanner (without breaking the bank, same as MK900BT MS906 PRO MS906MAX). Active test is widely used on car subsystems to help you check if the car actuators are all in good condition. Such as windows, rear mirrors, sunroof, wipers...
- 【28+ MOST POPULAR RESET SERVICE FOR 150 MAKES】Autel versatile OBDII scanenr MK808S, full level-up of MX808, work as MX900, MK900, MK900-BT, supports 150+ car brands worldwide. Like the OBD2 code reader MaxiCOM MK808BT Pro, MK808S is equipped with 28+ hot services including 0il Reset, SAS Calibration, ABS Bleeding, Battery Registration, etc. MK808S ranks top in professional automotive tablets and keeps updating to support more newer modes from 2025 to 2026.
- 【ALL SYSTEM DIAGNOSTICS, FACTORY-LEVEL SCANNER】The MK808S dealer-level scanner, like Snap-on tools, effectively works all cars for all system diagnostics. It reads/clears codes, displays 5-in-1 Live Data, performs active tests, and special functions for all available modules. With a few clicks, you can easily understand the vehicle's condition. The convenient Wi-Fi printing feature allows you to generate a detailed report, highlighting the exact nature of the problem.
- 【AUT0 SCAN & AUT0V1N, 10X FASTER】How much have you spent on car maintenance? Even a minor issue can take up a significant amount of time. The MK808S is designed to improve your work efficiency. With its Aut0V1N technology, you can check your car's make, model, and year information with just one click. The Aut0Scan feature automatically scans all of the vehicle's modules and detects any fault codes. Check Aut0V1N compatibility by reaching us at 📞1-833-436-5880. Available Mon-Fri, 9 AM-6 PM EST.
- 💯【Conta.ct us for Support Directly】If you met any issues about: Received a registered device/ Language Changing/ Function not Support/ Blueto-oth connector malfunction/ Subscription Renewal, please conta.ct us via 📞autelsupply @outlook. com🛣️, we will provide perfect solution for you. ⚠️Note: Autel MK900BT comes with 1-Year Free Software Update, most features will remain active after update subscription expires. For questions regarding updates or need more useful accessories, please conta.ct us via 📞autelsupply @outlook.com🛣️. 2. If you encounter Blueto-oth adapter VCI150 malfunction, please tell us 📞autelsupply @outlook. com🛣️, we will handle it promptly.
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW MODEL OF MK808S MK900 MX900 MK808BT MX808S】2026 newest Autel MK900BT retains all features of MK808S MX900 MX808S MK808Z MK808Z-BT MK808K-BT, while EXTRA added powerful functions (value 2000+ bucks). The Pro-level Autel MK900BT makes a big leaps: 28+➡40+, 50+➡3000+ Active Tests, 2026 NEW✅CAN FD & DOIP protocols ✅Pre&Post diagnostic report ✅WIFI Print ✅Auto VIN&Auto Scan 2.0 ✅Scan VIN/ License ✅Battery Test (Need purcha.se BT506). If found defect or us.ed, please conta-ct 📞autelsupply @outlook. com📞 get perf-ect solut.ion.
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS906 PRO】Differ from MS906BT MS906 MP808 MK808 MX808 MK808BT only 50 tests, Autel scanner MK900BT escaner automotriz professional offers 3000+ active tests, it can send command to ECUs & monitor actuators operation, quickly locating faulty components. Bidirectional scanning takes your diagnostics to the next level with menu lists 3000+ active tests, such as windows, rear mirrors, sunroof, wipers, fuel injector, coolant fans, radiator fan, AC clutch, coolant pump and more. Note: Functions are not available for all vehicles, please send vehicle VIN to us check compatibility.
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full level-up of OBD2 code reader MaxiCOM MK808S MK808 MK808Z MX808 MK808Z-BT with 28 service, Autel scan tool MK900BT/ MK900-BT offers 40+ maintenance service on 150+ brands 10,000 vehicles from 1996-2025-2026. Hottest Services like: Oil Reset, ABS Bleed, SAS Calibration, Injector Coding, SRS, Throttle Reset, Gearbox Reset, Battery Registration etc. Added 12+ advanced resets: rain slash light sensor reset, HVA.C/ SUS calibration etc. Welcome to send Vehicle Make>Model>Year>VIN>Functions you required to 📞autelsupply @ outlook . com📞 check compatibility.
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE/ AUTO VIN】2026 new release Autel MaxiCOM MK900-BT scan tool embodies all system diagnostic with its 8in display for all vehicles. Like Sna.p-on tools, it can perform ✔Read/Clear Codes✔Displays 5-in-1 Live Data✔Record & Playback Data✔Retrieve Info on all available systems like ABS ECM BCM SRS TCM etc. In addition to Auto VIN technology, Autel MK900BT adds Scan License/ Auto Scan 2.0 to identify vehicle’s VIN/ license, make, year, model, no need manual input; One-click WiFi Printing of Pre&Post comparison diagnostic reports, highlight root causes of problems.
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool supports Reading and Clearing DTCs, DTC Look Up, displaying Live Data, Freeze Frame & I/M Readiness, view vehicle information, etc., to figure out the root cause of the Check Engine Light (CEL) and turn it off, helping you catch any potential issues early and avoid excessive costs from unnecessary repairs.
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with 7 languages (English, French, Spanish, etc.) and various post-1996 OBD II protocol vehicles (Toyota
, Nissan
, Honda
, Ford
, etc.), this OBD II scanner provides accurate and fast diagnosis for worldwide car owners. - 【FOR END USER & DIYERS】 This error code reader AL319 is “plug and play” and comes with an easy interface. Even if you’re not familiar with vehicle repair, you can quickly take control of this obd2 scanner, and get the information you want.
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check engine code reader features a patented One-Click I/M Readiness, TFT color display, built-in speaker, LED Indicator etc. The cable is long enough without being too long and getting in the way. No batteries are needed.
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the date of purchase and lifetime free update are offered by this Automobile OBDII scan tool. Welcome to contact us via Q&A, email, or hotline, and our after-sale-service team for technical support.
This product presentation was made with AAWP plugin.
Last update on 2026-05-13 / Affiliate links / Images from Amazon Product Advertising API




