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Home >> Jeep >> 2021 >> Compass Altitude, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> (Security Gateway Module (SGW) - Electrical Diagnostics) >> Diagnosis And Testing >> C221C-00-Ecu Not Programmed/Flash Required >> Possible Causes

Possible Causes

Possible Causes
SECURITY GATEWAY MODULE (SGW) REQUIRES FLASH PROGRAMMING

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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