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Chrysler
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2011
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300 C, RWD
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Repair and Diagnosis
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Different car
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Section 488 ((Totally Integrated Power Module (TIPM) - Electrical Diagnostics))
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DTC Troubleshooting
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U0021-Can B Bus (+) Circuit Open
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Possible Causes
Possible Causes
WARNING:
This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CAN B BUS TERMINAL PUSH OUT
SPREAD CAN B BUS TERMINAL
(D55) CAN B BUS (+) CIRCUIT OPEN
INTERNAL OPEN IN A CAN B BUS MODULE