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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 >> U0056-00-Can Ch Bus Off Performance >> Possible Causes

Possible Causes

Possible Causes
OPEN OR SHORTED CAN C2 BUS CIRCUIT
OPEN OR SHORTED CAN C RADIO BUS CIRCUIT
CAN C2 RELATED MODULE
SECURITY GATEWAY MODULE (SGW)

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

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