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October 9, 2026 Service bulletin

Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp...

Jeep technical service bulletin 08-363-26 for 2018 Jeep Wrangler.

Bulletin number
08-363-26
Component
Electrical system
Summary
Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster (IPC). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software.

Owners of these vehicles have filed 269 complaints in the electrical category.

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