Service Bulletin

2022 Jeep Wrangler TCM Software Update for MIL and DTCs

A Technical Service Bulletin (TSB 21-022-25) has been issued for 2022 Jeep Wrangler models to address Malfunction Indicator Lamp (MIL) illumination and Diagnostic Trouble Codes (DTCs) P1DB7-00 and P0701, related to transmission control module (TCM) software. The fix involves a software update.

ByAhmet Topcu — Founder & Editor-in-ChiefAutomated summary2022 Jeep Wrangler
2022 Jeep Wrangler — manufacturer_communication document image 1
Source: NHTSA manufacturer_communication 11015662
P1DB7-00P0701TSB 21-022-25TSB 21-029-22Torque Converter Clutch PerformanceTransmission Control System Range/PerformanceMalfunction Indicator Lamp (MIL) illuminationcheck engine light illuminatesOverheating of the transmission fluidTCM software update

Owners of 2022 Jeep Wrangler vehicles may experience issues related to the Transmission Control Module (TCM) software, leading to warning lights and diagnostic trouble codes. This Technical Service Bulletin (TSB) 21-022-25, dated March 14, 2025, provides a software update to address these concerns for the 2022 Jeep Wrangler manufacturer_communication.

This bulletin applies to 2022 Jeep Wrangler (JL) models equipped with a 3.6L V6 24V VVT Engine UPG I W/ESS (Sales Code ERC) and an 8-Speed Auto 850RE Transmission (Sales Code DFT).

Symptoms

Owners may notice a "Malfunction Indicator Lamp (MIL) illumination" on the dashboard. Additionally, one or more of the following symptoms may occur:

  • The "check engine light illuminates."
  • "Overheating of the transmission fluid."

Fault Codes / DTCs

When these symptoms are present, technicians may find specific Diagnostic Trouble Codes (DTCs) stored in the vehicle's system:

Code Description
P1DB7-00 Torque Converter Clutch Performance
P0701 Transmission Control System Range/Performance

Diagnosis

To diagnose the issue, a Scan Tool (wiTECH) with appropriate Diagnostic Procedures from DealerCONNECT/Service Library should be used. The primary cause for these symptoms and DTCs is identified as TCM software. If the customer's concern matches the symptoms listed, the repair procedure should be followed.

Repair Procedure Summary

The repair involves reprogramming the Transmission Control Module (TCM) with the latest available software. This software update is designed to resolve the underlying TCM software issues that lead to the reported symptoms and DTCs. After the reprogramming, any Diagnostic Trouble Codes (DTCs) that may have been set in any modules due to the reprogramming process will be cleared using the wiTECH application.

Required Tools or Parts

To perform this repair, technicians will need a compatible diagnostic scan tool such as "wiTECH or Equivalent."

Important Warnings

This bulletin, TSB 21-022-25, supersedes Technical Service Bulletin (TSB) 21-029-22, which was issued on August 23, 2022. The current bulletin includes revisions such as a new DTC, new customer symptoms, and a new Labor Operation Number (LOP).

During the flash process, it is crucial to install a battery charger to ensure sufficient battery voltage. If the flash process is interrupted or aborted, it must be restarted. If issues arise when flashing a module using the wiTECH Diagnostic Application, a ticket should be submitted to the Helpdesk.

Owner Action

If you own a 2022 Jeep Wrangler and are experiencing a "Malfunction Indicator Lamp (MIL) illumination," "check engine light illuminates," or "Overheating of the transmission fluid," especially if accompanied by DTCs P1DB7-00 or P0701, you should contact your authorized Jeep dealership. The repair, which involves reprogramming the TCM, is reimbursable within the provisions of the warranty. This 2022 Jeep Wrangler manufacturer_communication is a software update and typically takes approximately 0.2 hours of labor.


Source: NHTSA ID: 11015662

Frequently Asked Questions

What does TSB 21-022-25 address for the 2022 Jeep Wrangler?
TSB 21-022-25 addresses Malfunction Indicator Lamp (MIL) illumination and specific Diagnostic Trouble Codes (DTCs) like P1DB7-00 and P0701, which are caused by issues with the Transmission Control Module (TCM) software in 2022 Jeep Wrangler vehicles.
What are the common symptoms of this TCM software issue?
Owners may observe a "Malfunction Indicator Lamp (MIL) illumination" or the "check engine light illuminates." Additionally, some may experience "overheating of the transmission fluid."
Is the repair for the P1DB7-00 or P0701 DTC covered under warranty?
Yes, the repair procedure outlined in TSB 21-022-25, which involves reprogramming the TCM, is reimbursable within the provisions of the vehicle's warranty.
What is the repair process for the 2022 Jeep Wrangler manufacturer_communication?
The repair process involves using a wiTECH scan tool to reprogram the Transmission Control Module (TCM) with the latest software. It is important to ensure sufficient battery voltage during this process and to clear any DTCs afterward.

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 2022 model year

415 complaints, the 18th most of 41 model years on file. Owners reported 14 crashes, 11 fires and 6 injuries for this year, which also has 16 recalls on file.

Power Train, the system this article covers, accounts for 2,470 of 18,838 complaints (13%), including 68 for 2022.

Complaints by model year

Model years with the most complaints for the Jeep Wrangler
2006730
20071,750
20081,904
2010686
2012836
20181,827
2019747
2021963
2022415
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 2022 model year

  • 26V363000 — Steering (Jun 2026) — Park outside
  • 25V741000 — Electrical System (Oct 2025) — Park outside
  • 24V720000 — Electrical System (Sep 2024)
All 2022 recalls →

Recent owner reports about power train

I am submitting this complaint regarding a critical electrical issue and potential safety hazard that occurred immediately after the 68C safety recall software update was performed.

2022 Jeep Wrangler owner, Sep 2026

Our vehicle has been. Undriveable since recall 68c/25v-741 and has been at the jeep dealer (friendship jeep chrysler in forest city nc) since 1/5/2026 with no guidance as to when to expect a fix and return to us.

2022 Jeep Wrangler owner, Feb 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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