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Home >> Jeep >> 2007 >> Compass Limited, FWD, Standard >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> DTCS U0020 To U1419 >> U0020-Can B Bus Off Perform >> Possible Causes
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Possible Causes

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