Service Bulletin

2021-2023 Jeep Wrangler 8-Speed Transmission Fluid Leak TSB

This manufacturer communication, TSB 10248562, addresses 8-speed transmission fluid leaks in 2021-2023 Jeep Wrangler and other Stellantis vehicles. It provides updated inspection and repair guidelines for technicians to ensure proper diagnosis and resolution of transmission fluid leaks.

ByAhmet Topcu — Founder & Editor-in-ChiefAutomated summary2021 Jeep Wrangler
2021 Jeep Wrangler — Jeep Wrangler transmission fluid leak
Editorial illustration generated for this article.
TSB 102485628-Speed Transmission Fluid LeakPOWER TRAINJeep Wrangler transmission fluid leakJeep Gladiator transmission fluid leakRAM 1500 transmission fluid leakDodge Charger transmission fluid leakDodge Challenger transmission fluid leakDodge Durango transmission fluid leakJeep Grand Cherokee transmission fluid leak
Jeep Gladiator
2021–2023
Jeep Grand Cherokee
2021–2023
Jeep Wrangler
2022–2023
Dodge Challenger
2021–2022
Dodge Charger
2021–2022
Dodge Durango
2021–2022
▸ Show 1 more
Ram 1500
2021–2022

Symptoms of a Transmission Fluid Leak

Owners of certain 2021-2023 Jeep Wrangler and other Stellantis vehicles equipped with an 8-speed transmission may observe a transmission fluid leak. This issue indicates a potential problem with the transmission system that requires attention.

Diagnosis and Trigger Conditions

Manufacturer Communication TSB 10248562 provides technicians with additional guidelines for inspecting and repairing 8-speed transmission fluid leaks. The primary trigger condition for this TSB is the presence of a visible transmission fluid leak. Technicians will follow these updated procedures to accurately identify the source of the leak and determine the appropriate repair.

Repair Procedure Summary

To address a Jeep Wrangler transmission fluid leak, technicians will utilize the detailed inspection and repair guidelines outlined in TSB 10248562. This ensures a standardized and effective approach to resolving the issue. The TSB is designed to help service personnel perform thorough diagnostics and implement the correct repair steps for 8-speed transmission fluid leaks.

Owner Action

If you own a 2021-2023 Jeep Wrangler or another affected model and suspect a transmission fluid leak, it is recommended to contact your authorized dealership promptly. Inform them about the observed Jeep Wrangler transmission fluid leak and reference Manufacturer Communication TSB 10248562. Your dealer will then perform the necessary inspection and repairs according to the specified guidelines.

Source: NHTSA ID 10248562

Frequently Asked Questions

What is TSB 10248562 about?
TSB 10248562 is a manufacturer communication that provides updated inspection and repair guidelines for 8-speed transmission fluid leaks in various Stellantis vehicles, including the 2021-2023 Jeep Wrangler.
Which vehicles are affected by the 8-speed transmission fluid leak guidelines?
This TSB applies to several 2021-2023 Jeep, RAM, and Dodge models equipped with an 8-speed transmission, including the Jeep Wrangler, Jeep Gladiator, RAM 1500, Dodge Charger, Dodge Challenger, Dodge Durango, and Jeep Grand Cherokee.
What should I do if I notice a Jeep Wrangler transmission fluid leak?
If you observe a transmission fluid leak in your 2021-2023 Jeep Wrangler, you should schedule an appointment with your dealership. They will use the guidelines in TSB 10248562 to diagnose and repair the leak.
Will I be charged for the repair related to this TSB?
Manufacturer communications like TSBs often cover issues under warranty, but it's best to confirm with your dealership regarding potential costs, especially if your vehicle is outside its warranty period.

What Jeep Wrangler owners report

Counted from the records in our database across 41 model years.

18,838
Owner complaints
104
Recalls
2,758
Service bulletins
572
Crashes reported
552
Fires reported
435
Injuries reported

The 2021 model year

963 complaints, the 5th most of 41 model years on file. Owners reported 21 crashes, 27 fires and 15 injuries for this year, which also has 17 recalls on file.

Power Train, the system this article covers, accounts for 2,470 of 18,838 complaints (13%), including 149 for 2021.

Complaints by model year

Model years with the most complaints for the Jeep Wrangler
2006730
20071,750
20081,904
2010686
2012836
2014658
20181,827
2019747
2021963
2024970

Most-reported systems

  1. Steering — 3,929
  2. Electrical System — 3,613
  3. Power Train — 2,470
  4. Engine — 2,406
  5. Fuel System — 2,015

Latest recalls for the 2021 model year

  • 26V363000 — Steering (Jun 2026) — Park outside
  • 25V741000 — Electrical System (Oct 2025) — Park outside
  • 24V720000 — Electrical System (Sep 2024)
All 2021 recalls →

Recent owner reports about power train

In electric mode vehicle loses battery power (at 25% power draw)and several seconds later starts the gas engine to compensate. It does this at least once within every full charge (about 28 miles)-usually when the remaining charge is between10-20%, but on…

2021 Jeep Wrangler owner, Oct 2026

The vehicle is not performing as it did when first purchased. Through a series of recalls related to the main drive battery, the vehicle now lacks power when in electric mode pulling out on highways, passing on highways, or even driving at speeds over 40mph…

2021 Jeep Wrangler owner, Sep 2026
Read owner complaints →

Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.

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