Service-Bulletin

2024 Jeep Wrangler Heated Steering Wheel TSB 08-121-26

Owners of the 2024 Jeep Wrangler may experience issues with their heated steering wheel not getting hot enough or not working at all. Technical Service Bulletin (TSB) 08-121-26 provides a software update for the Comfort Seat Wheel Module (CSWM) to resolve this problem.

ByAhmet Topcu — Founder & Editor-in-ChiefAutomated summary2024 Jeep Wrangler
2024 Jeep Wrangler — manufacturer_communication document image 1
Source: NHTSA manufacturer_communication 11030211
TSB 08-121-26NHTSA 11030211Heated Steering Wheel does not get hot enoughHeated Steering Wheel does not workCSWM softwareComfort Seat Wheel ModuleJeep Wrangler heated steering wheel problemwiTECHSales Code NHS18-52-34-9E

Owners of the 2024 Jeep Wrangler equipped with a heated steering wheel (Sales Code NHS) may notice that their Jeep Wrangler heated steering wheel is not functioning correctly. This could manifest as the steering wheel not getting warm enough or not working at all. Stellantis has issued Technical Service Bulletin (TSB) 08-121-26 to provide a solution for this specific concern.

Symptoms

If you own a 2024 Jeep Wrangler, you might experience one of the following issues with your heated steering wheel:

  • "Heated Steering Wheel does not get hot enough"
  • "Heated Steering Wheel does not work"

These symptoms indicate a potential problem with the Comfort Seat Wheel Module (CSWM) software.

Cause

The root cause of the Jeep Wrangler heated steering wheel malfunction has been identified as an issue with the Comfort Seat Wheel Module (CSWM) software. This software controls the operation and heating output of the steering wheel.

Important Notes for Repair

Technicians performing this repair must adhere to specific guidelines to ensure a successful software flash:

  • Battery Voltage: A battery charger must be connected to the vehicle. It is crucial to maintain battery voltage above 13.2 volts but not exceeding 13.5 volts throughout the flash process.
  • Interruption: If the software flash process is interrupted or aborted for any reason, it must be restarted from the beginning.

Repair Procedure Summary

The resolution for the Jeep Wrangler heated steering wheel problem involves reprogramming the Comfort Seat Wheel Module (CSWM) with the latest available software. The general steps are:

  1. Connect a wiTECH scan tool to the vehicle and ensure proper battery voltage is maintained.
  2. Reprogram the CSWM using the wiTECH Diagnostic Application. If any issues arise during the flashing process, technicians should submit a ticket to the Helpdesk.
  3. After the reprogramming is complete, clear any Diagnostic Trouble Codes (DTCs) that may have been set in any module due to the reprogramming. The wiTECH application will automatically present these DTCs for clearing.

Required Tools or Parts

To perform this software update, a wiTECH scan tool or an equivalent diagnostic tool is required.

Owner Action

If your 2024 Jeep Wrangler is experiencing issues with its Jeep Wrangler heated steering wheel, you should schedule an appointment with an authorized Jeep dealership. Explain the symptoms you are experiencing. The dealership will diagnose the issue and, if applicable, perform the software update for the Comfort Seat Wheel Module (CSWM) as outlined in TSB 08-121-26. This repair is reimbursable under warranty provisions.


Source: NHTSA ID: 11030211

Frequently Asked Questions

What is TSB 08-121-26 about?
TSB 08-121-26 addresses an issue where the heated steering wheel in certain 2024 Jeep Wrangler vehicles does not get hot enough or does not work at all. The solution involves updating the software for the Comfort Seat Wheel Module (CSWM).
Which Jeep Wrangler models are affected by the heated steering wheel issue?
This bulletin specifically applies to 2024 Jeep Wrangler (JL) vehicles equipped with the Heated Steering Wheel option (Sales Code NHS) sold in North America markets.
What causes the heated steering wheel to malfunction in my 2024 Jeep Wrangler?
The malfunction is caused by a software anomaly within the Comfort Seat Wheel Module (CSWM). A software update is required to correct this issue.
Will I be charged for the repair described in TSB 08-121-26?
No, the repair outlined in TSB 08-121-26, which involves reprogramming the CSWM, is reimbursable under the provisions of your vehicle's warranty.
What should I do if my Jeep Wrangler heated steering wheel isn't working?
If your 2024 Jeep Wrangler's heated steering wheel is not functioning correctly, you should contact your authorized Jeep dealership to schedule a service appointment. They will diagnose the problem and apply the necessary software update.

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 2024 model year

970 complaints, the 4th most of 41 model years on file. Owners reported 14 crashes, 13 fires and 7 injuries for this year, which also has 14 recalls on file.

Electrical System and Steering, the system this article covers, accounts for 7,221 of 18,838 complaints (38%), including 623 for 2024.

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 2024 model year

  • 26V363000 — Steering (Jun 2026) — Park outside
  • 26V327000 — Back Over Prevention (May 2026)
  • 25V766000 — Engine (Nov 2025)
All 2024 recalls →

Recent owner reports about electrical system and steering

Since the 68C Recall software update was performed on my Jeep, the vehicle has experienced recurring, unexpected losses of motive power while driving in Electric Mode. During these events, pressing the accelerator yields no response.

2024 Jeep Wrangler owner, Oct 2026

The contact owns a 2024 Jeep Wrangler. The contact received notification of NHTSA Campaign Number: 25V710000 (ELECTRICAL SYSTEM); however, the part to do the recall repair was unavailable.

2024 Jeep Wrangler owner, Oct 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.

Related Articles

What's Going Wrong with the 2024 Jeep Wrangler: Recalls & Bulletins

The 2024 Jeep Wrangler has been subject to four safety recalls, primarily concerning lighting systems and the driver's airbag. Owners should also be aware of several manufacturer service bulletins addressing issues like engine performance, heated steering wheel malfunctions, and rear axle oil…

2024-2027 Jeep Wrangler A/C Not Working Issue (9100935)

For 2024-2027 Jeep Wrangler owners experiencing A/C issues like hot air or a non-operating A/C relay clutch, manufacturer communication 9100935 outlines a simple fix: a battery disconnection to reset the PCM, warning against unnecessary Power Distribution Center (PDC) replacements.

2024 Jeep Wrangler 4WD System Warning & DTC C147B-92 TSB

Jeep has issued TSB 08-355-26 for certain 2024 Wrangler models to address issues with the 4WD system, including warning lights, MIL illumination, and DTC C147B-92. The fix involves a software update to the Drivetrain Control Module (DTCM).

2024-2026 Jeep, Ram, Dodge Cylinder Head Bolt Inspection

Mopar has issued a Quality Inspection Request (QIR) concerning cylinder head cover bolts, part number 04893799AJ, for various 2024-2026 Jeep, Ram, and Dodge models. Dealers are instructed to identify and quarantine suspect bolts with a chamfered flange.

2024 Jeep Wrangler PCM Update for Misfire & O2 Sensor DTCs

A Technical Service Bulletin (TSB 18-003-26 REV. A) has been issued for the 2024 Jeep Wrangler to address various engine performance issues, including misfires, rough idle, and O2 sensor fault codes. This update involves reprogramming the Powertrain Control Module (PCM).

Comments

Be the first to comment.

Leave a comment

Comments are moderated and may take a moment to appear. Only your first name and the initial of your last name are shown publicly.

Verifying you are human...