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Home >> Chrysler >> 2025 >> Pacifica Plug-In Hybrid Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 ((Security Gateway Module (SGW) - Electrical Diagnostics)) >> DTC Troubleshooting >> C221C-00 Ecu Not Programmed/Flash Required >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
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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