2026 Jeep Wrangler DASM Software Update TSB

Symptoms of DASM Issues

Owners of the 2026 Jeep Wrangler may experience one or more of the following symptoms related to the Driver Assistant System Module (DASM):

• A Malfunction Indicator Lamp (MIL) illumination.
• Intermittent display of the message "ACC/FCW Unavailable Service Required" in the Instrument Panel Cluster (IPC).
• Display of the message "Service Adaptive Cruise Control" in the Instrument Panel Cluster (IPC).
• Advanced Driver Assistance System (ADAS) features, such as Adaptive Cruise Control (ACC), Advanced Emergency Braking (AEB), and Forward Collision Warning (FCW), may become unavailable.

Diagnostic Trouble Codes (DTCs)

The following Diagnostic Trouble Codes (DTCs) may be set in conjunction with the symptoms described above:

Code	Description
C2206-00	Vehicle Configuration Mismatch
C2318-49	Front Camera - Internal Electronic Failure

It is important to note that DTC C2206-00 can also be triggered after a recent aftermarket tire installation or other tire modifications. The updated software detailed in this 2026 Jeep Wrangler manufacturer_communication specifically addresses this condition.

Diagnosis and Trigger Conditions

A technician will confirm the presence of a Malfunction Indicator Lamp (MIL) illumination and one or more of the listed DTCs. The primary condition for this service bulletin is the vehicle exhibiting these fault codes, particularly C2206-00, which can arise from vehicle configuration discrepancies or even aftermarket tire changes.

Repair Procedure Summary

This technical service bulletin (NHTSA ID 11030207) involves inspecting and reprogramming the Driver Assistant System Module (DASM) with the latest available software. This software update is designed to resolve the underlying issues causing the DTCs and warning messages.

Important Warnings for Owners

Owners should be aware that the DTC C2206-00, "Vehicle Configuration Mismatch," can be set following the installation of aftermarket tires or other tire modifications. This software update is specifically intended to resolve this condition when it occurs.

Owner Action

If your 2026 Jeep Wrangler is displaying any of the mentioned warning messages, has an illuminated Malfunction Indicator Lamp, or if you suspect issues with your Advanced Driver Assistance Systems, it is recommended to visit an authorized Jeep dealership. They can diagnose the issue by checking for the relevant DTCs, including those covered by this 2026 Jeep Wrangler manufacturer_communication, and perform the necessary DASM software update.

---

Source: NHTSA ID 11030207