# Service bulletin 08\-114\-26 REV. A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11032974
- Published by NHTSA: 2026\-05\-28
- Manufacturer's number: 08\-114\-26 REV. A
- Manufacturer's date: 2026\-05\-21
- NHTSA component: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; FORWARD COLLISION AVOIDANCE: WARNINGS

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032974-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032974-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance, Adaptive cruise control

## Trouble codes named

C2206

## Vehicles listed

- 2026 JEEP WRANGLER
- 2026 JEEP WRANGLER 4XE

JSON: [/v1/bulletins/11032974](/v1/bulletins/11032974)

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