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April 23, 2026 Service bulletin

Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp...

Jeep technical service bulletin 08-174-26 for 2026 Jeep Wagoneer and 2026 Jeep Grand Wagoneer.

Bulletin number
08-174-26
Component
Electrical system
Summary
Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes (DTCs): ● C2203-00 - Current VIN Missing/Mismatch. ● C008E-00 - ECU Internal Performance. (With Environmental Data Decode Byte: APP_FATAL_ERROR_APP_CONFIGURATION_ERROR_FAULT.) Customers may also comment on one or more of the following: ● The Instrument Panel Cluster (IPC) is displaying one or more of the following messages: ○ "ACC/FCW Unavailable Service Required". ○ "ACC/FCW Limited Functionality". ○ "Active Lane Management Limited Functionality." ○ "Active Lane Management Unavailable Service Required". ○ "Automatic Emergency Braking (AEB) Limited Service Required". ○ "AEB Unavailable Service Required". ○ "Blindspot Detection Unavailable Service Required" ○ "Blindspot Detection Limited Functionality" ● Customer states that the ADAS features are disabled This bulletin involves inspecting and possibly reprogramming the CADM with the latest available software and possibly performing a Long Range Camera Front (LRCF) calibration

Owners of these vehicles have filed 1 complaints in the electrical category.

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