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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1358 ((Security Gateway Module (SGW) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0056-00-Can Ch Bus Off Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
OPEN OR SHORTED CAN CH BUS CIRCUIT
OPEN OR SHORTED CAN C RADIO BUS CIRCUIT
CAN CH RELATED MODULE
SECURITY GATEWAY MODULE (SGW)

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