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JEEP

08-114-26 REV. A

Manufacturer communications

Publication date
2026-05-21
Received by NHTSA
2026-05-28
NHTSA record numbers
11032974

Manufacturer summary

Original wording in English

Flash: Driver Assistant System Module (DASM) Updates IMPORTANT! **This TSB CANNOT BE APPLIED unless BOTH of the following customer symptoms are met: 1. The customer recently had aftermarket tires installed or had a tire modification where the circumference of tire INCREASED and 2. A Malfunction Indicator Lamp (MIL) Illumination is present with DTC C2206-00 Vehicle Configuration Mismatch present and ACTIVE.** Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC):
• C2206-00 - Vehicle Configuration Mismatch. NOTE: DTC C2206-00 can trigger after a recent aftermarket tire installation or tire modification. This updated software is to address this DTC set by this condition. Customers may also experience one or more the following:
• Advanced Driver Assistance System features such as Adaptive Cruise Control (ACC), Advanced Emergency Braking (AEB) and Forward Collision Warning (FCW) are not available.
• "ACC/FCW Unavailable Service Required" message intermittently in the Instrument Panel Cluster (IPC).
• "Service Adaptive Cruise Control" message is displayed in the IPC. This bulletin involves inspecting and reprogramming of the DASM with the latest available software.

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MakeModelModel year
JeepWRANGLER2026
JeepWRANGLER 4XE2026

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