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Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis >> General Information >> OEM General Information >> (Security Gateway Module (SGW) - Electrical Diagnostics) >> DTC Troubleshooting >> C221C-00-Ecu 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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