2021-2025 Jeep Wrangler Rear Defroster Inoperative TSB

Owners of 2021-2025 Jeep Wrangler vehicles equipped with the Rear Window Defroster (Sales Code GFA) may experience issues with their rear defroster system. This problem, detailed in Technical Service Bulletin (TSB) 23-007-25, specifically addresses situations where the rear window fails to defrost properly.

This TSB, issued on February 13, 2025, supersedes an earlier bulletin, TSB 23-089-23, dated August 08, 2023. The updated bulletin includes additional model years and revised parts information to better address the Jeep Wrangler rear defroster inoperative condition.

Symptoms

If your Jeep Wrangler is affected, you might observe one or both of the following symptoms:

• The rear window is not defrosting as expected.
• The rear window glass's left or right side defrost solder terminal is detached from the defrost grid.

Cause of the Issue

The primary cause for the Jeep Wrangler rear defroster inoperative issue stems from the design of the rear defroster electrical connector. This connector is intended for one-time use. If it becomes loose or is removed for any reason, it must be replaced to ensure proper function.

Diagnosis

To diagnose this issue, technicians are instructed to use a wiTECH Scan Tool along with the appropriate Diagnostic Procedures available in DealerCONNECT/Service Library. The goal is to verify that all related systems are functioning correctly. While no specific Diagnostic Trouble Codes (DTCs) are listed in this bulletin, technicians should check for any present DTCs or other symptom conditions and address them before proceeding with the defroster repair.

Repair Procedure Summary

The repair for the Jeep Wrangler rear defroster inoperative condition involves replacing and re-securing the electrical connector(s) to the rear window. The high-level steps are:

1. Remove the existing rear window defroster electrical connector(s).
2. Replace the connector(s) with a new one. Detailed service procedures for this step can be found in the DealerCONNECT Service Library under 'Service Info>29 - Non-DTC Diagnostics / Circuit Testing Procedures / Standard Procedure>Wire Splicing'.
3. Carefully push the new connector onto the rear window glass terminal, ensuring a secure connection.

Required Parts

The TSB specifies the following part for the repair:

• Part No.: 68499001AA
• Description: Wiring, 1 Way-Pigtail (Connector, Rear Defrost EBL)

Owner Action

If you are experiencing a Jeep Wrangler rear defroster inoperative condition, it is recommended to schedule an appointment with your authorized Jeep dealer. The repair outlined in TSB 23-007-25 is typically reimbursable under the provisions of your vehicle's warranty. The labor time for this repair is estimated at 0.2 hours for one side or 0.3 hours for both sides.

Important Notes

This bulletin is provided as technical information for repair purposes and is not an authorization for repair. It's important to note that this document supersedes TSB 23-089-23, which was issued on August 08, 2023. The current TSB, 23-007-25, incorporates additional model years and updated parts information.

NHTSA ID: 11014384