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Home >> Fiat >> 2017 >> 500 Pop, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS B10AD-19 To U1749-87 - 500 - Except Electric >> DTC Troubleshooting >> U0019-87 Can B Bus No Signal >> Possible Causes

Possible Causes

Possible Causes
(D41) CAN B BUS (+) CIRCUIT OPEN AND (D42) CAN B BUS (-) CIRCUIT OPEN
ANY CAN B BUS MODULE
WARNING:

On vehicles equipped with the high voltage system, disconnecting the 12-volt battery negative cable alone will not power down the 12-volt system. You must perform the 12-volt Power Down procedure before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

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