CAN bus
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Network

U0140 Code: Lost Communication With Body Control Module
The U0140 code means one or more of your vehicle’s control modules has lost communication with the body control module…
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Network

U0121 Code: Lost Communication With ABS Control Module
The U0121 code means one or more of your vehicle’s control modules has lost communication with the ABS control module.…
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Network

U0101 Code: Lost Communication With TCM
The U0101 code means your vehicle’s control modules have lost communication with the transmission control module — the TCM. When…
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