Panasonic Chrysler Uconnect 8.4 UJM Security Code Online

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Chrysler Uconnect 8.4 UJM 4 digit unlock code for this radio
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Your code appears right away after the payment goes through, and the same code is emailed to you. The service runs round the clock, so there is nothing to wait for.

You are covered by our full refund guarantee. Send us a short video showing the serial number and the code being entered, and we refund the order in full.
See the refund policy.

UJM is RHD mid-spec. If your steering wheel is on the left, you do not have UJM - check the UA-/UC-/UD-/UG- pages instead.

Top of the chassis label. Pull the radio. The serial starts with TM9 and is the only detail needed to generate the code.

Compatible Serial Number Formats

Serial Prefix Status
TM9 Supported

If your serial starts with one of these, we can retrieve your code.

How to get your code?

One number, three steps, about two minutes.

  1. 1 Locate the serial number On the factory sticker on the radio housing, beside the barcode. Most units have to come out of the dash - release keys cost a few dollars.
  2. 2 Put it in the form on the left Exactly as printed, no spaces. The format is checked before any payment.
  3. 3 Your code arrives in seconds The code is delivered instantly, day or night. Enter it on the radio and the anti-theft screen clears.

If it does not work, you get your money back.

Chrysler Uconnect 8.4 UJM anti theft unlock using serial number

This is an example label - the one in your car sits in the same place and looks much like it.

Identify Your Factory Radio

Not sure if your vehicle is equipped with the Chrysler Uconnect 8.4 UJM? Check the design, controls, display and features listed below against your factory radio.

Identifying details:

  • 8.4" touchscreen in the centre of the dash
  • Built for the Right-hand drive / Rest of World market
  • Sales code UJM on the chassis label
  • Serial number starting with TM9

You most likely have the Chrysler Uconnect 8.4 UJM if:

  • the chassis label carries the UJM sales code
  • the serial on the label starts with TM9
  • the vehicle was built between 2017-2020
  • the screen is the 8.4" touchscreen fitted to the Uconnect 8.4
Easy to mix up?

UJM is RHD mid-spec. If your steering wheel is on the left, you do not have UJM - check the UA-/UC-/UD-/UG- pages instead.

What Is the Chrysler Uconnect 8.4 UJM Radio?

Fitted as factory equipment in selected Chrysler models, the Chrysler Uconnect 8.4 UJM handles audio playback and vehicle integration from the factory. Depending on the version, it can also add Bluetooth, touchscreen operation, CD/DVD playback, navigation or wider multimedia support.

Uconnect 8.4 UJM is the right-hand-drive/Rest-of-World Panasonic 8.4-inch mid-spec head unit (the "J" middle letter denotes ROW/RHD). RHD-optimised UI, mid-tier feature set between UJQ and UJV.

Chrysler used the Chrysler Uconnect 8.4 UJM on selected models produced between 2017-2020, typically alongside the Panasonic multimedia platform. It is one of the factory units most often encountered from that era.

Common features on this unit:

8.4" touchscreen

AM/FM radio

Bluetooth hands-free and audio streaming

USB media playback

SiriusXM satellite radio*

Steering wheel control support

Anti-theft security code

*Availability depends on the vehicle configuration.

Like many factory-installed radios, the Chrysler Uconnect 8.4 UJM is secured with an anti-theft system. If power is interrupted after replacing or disconnecting the vehicle battery, the unit may request the original radio code before it can be used again.

Step One: The Serial Number

The code is generated from the radio's own serial number, so that number is the only thing you need before ordering. It is printed on the factory sticker of the unit itself, not in the vehicle documents.

On the Chrysler Uconnect 8.4 UJM: Top of the chassis label. Pull the radio.

Getting to the label:

  1. Slide the radio out of the dash - most units need a pair of release keys, which cost a few dollars online.
  2. Read the serial from the factory sticker on the housing, next to or under the barcode.
  3. Type it into the form exactly as printed, without spaces.
What the serial looks like: TM9 followed by 9 digits (for example TM9123456789).
Where the serial number is printed on the Chrysler Uconnect 8.4 UJM radio

Where the label sits on this radio

Technical Specifications

Specification Value
Manufacturer Panasonic
Radio Family Uconnect 8.4
Variant UJM
Market Right-hand drive / Rest of World
Vehicle Brand Jeep / Ram
Production Years 2017-2020
Display 8.4" touchscreen
Serial Prefixes TM9

Depending on the vehicle configuration, the Chrysler Uconnect 8.4 UJM may include additional multimedia features such as Bluetooth hands-free calling, USB media playback or factory navigation. Equipment levels can vary between production years and trims.

Models Featuring the Chrysler Uconnect 8.4 UJM

Vehicle Model Typical Production Years Notes
Jeep Wrangler JK, Cherokee KL (UK, Australia, RHD) 2017-2020
Ram 1500 (RHD conversion markets, mid trims) 2017-2020

Vehicle compatibility can vary between trims, model years and regional versions. Because the same car could leave the factory with different radios, identify your unit before placing an order.

Supported Part Numbers 6

Every reference below is handled by this service. Find yours on the factory sticker of the radio to confirm you are on the right page.

68399203AA 68399203AB 68399203AC 68399203AD 68399203AE 68399203AF

The part number is printed on the label on top of or on the side of the radio chassis, usually next to the serial number. If yours appears above, the Chrysler Uconnect 8.4 UJM is the correct page.

Once the code arrives

Nothing to install and no tools needed - just the four digits.

  1. Switch the ignition on and let the radio boot to its security screen.
  2. A keypad for the code fills the middle of the screen.
  3. Enter the four digits in the order you received them.
  4. Verification happens by itself once the fourth digit is in.
  5. On a correct code the radio leaves security mode and plays again.

Common problems

The screen shows a wait timer

After a few wrong entries the radio stops accepting codes for a while - cutting power only restarts the clock. 30-minute WAIT after three wrong codes.

The label is not where I expected

It is printed on the housing, so the unit normally has to come forward to read it. Top of the chassis label. Pull the radio.

Why it happened again

Expected behaviour: the security system trips again whenever power is cut. Battery service.

I am not sure I have the right variant

The differences are easy to miss, so check this before ordering. UJM is RHD mid-spec. If your steering wheel is on the left, you do not have UJM - check the UA-/UC-/UD-/UG- pages instead.

Write the code down - the same four digits work for the life of the unit.

Frequently Asked Questions

Usually yes, because the serial is printed on a label on the unit itself rather than shown on screen. Release keys are cheap and the unit only has to come forward far enough to read the label - there is no need to unplug anything.

Yes. The code belongs to the radio and never changes, so if the battery is disconnected again in a year the same four digits will unlock it. It is worth noting it somewhere safe and keeping it with the service book.

No. The code for the Chrysler Uconnect 8.4 UJM comes from the radio's own serial number, not from the vehicle identification number. A VIN lookup only works on Renault and Dacia units - for every other make, including this one, the serial from the radio label is what we need.

You get your money back. Send us a short video showing the serial number and the code being entered, and we refund the order in full - no argument, no restocking fee.

Pricing depends on the radio family and starts at $9.99. The exact amount for your serial is shown at checkout before you pay anything, so there is no surprise at the end.

No, and any service that claims otherwise is guessing. The serial is the only input the algorithm has - without it there is nothing to calculate the code from.

Ordering a Chrysler Uconnect 8.4 UJM Code

The original code on screen seconds after you pay, emailed to you as well.

Full money-back guarantee if the code does not open your radio.

Available 24/7 - no booking, no dealer visit, no towing.

Works every time - the code stays valid for the life of the radio.

See the refund policy

Related Factory Radio Systems

Still unsure? These neighbouring units share much of the same hardware as the Chrysler Uconnect 8.4 UJM and may be what you actually have.