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Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> (Security Gateway Module (SGW) - Electrical Diagnostics) >> Diagnosis And Testing >> U0020-00-Can B Bus Off Performance >> Possible Causes

Possible Causes

Possible Causes
OPEN OR SHORTED CAN BUS CIRCUIT
CAN RELATED MODULE
CAN RELATED STAR CONNECTOR (IF EQUIPPED)
SECURITY GATEWAY MODULE (SGW)

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