2024-2025 Jeep Wrangler/Gladiator SOS Light On TSB

Symptoms of the SOS Light On Issue

Owners of 2024-2025 Jeep Wrangler and Jeep Gladiator vehicles may experience a Malfunction Indicator Lamp (MIL) illumination on their dashboard. This often coincides with the "SOS light is illuminated" message appearing. A key symptom of this problem is the inability for others to hear the customer during phone calls, even if the customer can hear incoming calls.

This condition indicates a fault within the vehicle's microphone system, impacting communication and emergency services functionality. If you notice the "SOS light is illuminated" or have issues with your microphone, your Jeep Wrangler SOS light system may be affected.

Fault Codes (DTCs)

The following Diagnostic Trouble Codes (DTCs) are associated with this issue, indicating specific problems with the microphone circuits:

Code	Description
B143A-13	Microphone 1 - Circuit Open
B143D-13	Microphone 2 - Circuit Open

These codes point to an open circuit within the microphone system, preventing proper operation.

Diagnosis and Cause

To diagnose this issue, technicians will use a scan tool like wiTECH to verify system functionality and check for the presence of DTCs B143A-13 or B143D-13. The root cause identified for the "SOS light is illuminated" and microphone malfunction is a damaged microphone array voltage regulator. This component is crucial for supplying power to the microphone array, and its failure leads to the described symptoms.

Repair Procedure Summary

Technical Service Bulletin (TSB) 08-369-25 outlines the repair process for this condition. The primary repair involves replacing the Microphone, Audio assembly. This procedure requires technicians to access detailed instructions within the DealerCONNECT Service Library under the "08 - Electrical / 8T - Navigation/Telecommunication / 7-MIC Array / Removal and Installation" section. After replacing the microphone assembly, all stored DTCs must be cleared from the vehicle's system. This repair directly addresses the underlying cause of the Jeep Wrangler SOS light issue.

Required Tools or Parts

The following specific part is required for this repair:

• Part Number: 7GW03TX7AC
• Description: Microphone, Audio assembly

Technicians will also utilize a wiTECH or Equivalent scan tool for diagnosis and clearing DTCs. The labor operation number for this service is 08-20-34-99, with a failure code of ZZ.

Important Warnings

This Technical Service Bulletin (TSB) 08-369-25 supersedes a previous bulletin, TSB 08-120-24, which was issued on May 04, 2024. If you previously had work done under the older bulletin, be aware that this new TSB includes significant revisions, including a new cause, repair summary, labor operation, spare parts table, and updated repair steps. Ensure your service provider is using the most current bulletin for accurate diagnosis and repair.

Owner Action

If your 2024-2025 Jeep Wrangler or Jeep Gladiator is displaying the "SOS light is illuminated" warning, or if you are experiencing issues where you can hear incoming calls but cannot be heard by others, it is recommended to schedule an appointment with an authorized Jeep dealership. This repair is reimbursable within the provisions of the vehicle's warranty. Provide your service advisor with the symptoms you are experiencing and mention Technical Service Bulletin (TSB) 08-369-25 to ensure they refer to the correct repair procedure.

---

Source: NHTSA ID: 11025495