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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> Restraints >> Seat Belts >> Air Bag Restraint System - Electrical Diagnostics >> DTC Troubleshooting >> U0020-Can B Bus Off Performance >> Possible Causes

Possible Causes

Possible Causes 
ACTIVE U0020 CAN B BUS DTC IN OCCUPANT CLASSIFICATION MODULE
(D55) CAN B BUS (+) CIRCUIT OPEN
(D54) CAN B BUS (-) CIRCUIT OPEN
OCCUPANT CLASSIFICATION MODULE (OCM)
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