No communications with the battery control unit PDF

Uploaded By Roger lin

A service bulletin addressing issues with no communication with the battery control unit (BCU) in a vehicle. The document describes a common fault where an implausible 'red' fault message related to the battery is displayed, along with the causes such as exhausted or jump-started battery scenarios leading to software issues in the BCU. It details the steps for troubleshooting, including performing specific operations and BCU resets. The document also lists various symptoms and error codes associated with the communication fault.

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 Nov 26, 2009  4813 Views  22.7 KB

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