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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 603 (Audio System & Video System - Electrical Diagnostics) >> Audio/Video Systems - Electrical Diagnosis >> DTC Troubleshooting >> U0020-Can B Bus Off Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
CAN B BUS DTCs IN FRONT CONTROL MODULE
(D54) CAN B BUS (-) CIRCUIT OPEN
(D55) CAN B BUS (+) CIRCUIT OPEN
AMPLIFIER
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