That code is a communication code. It means that one of the computers did not communicate on the bus network.
Almost everything I could find uses an Infiniti scan tool for diagnosing this issue. It is usually a harness/connector problem.
Read the guide below on using a multi meter (DVOM)
https://www.2carpros.com/articles/how-to-use-a-voltmeter
Attached below are some diagnostic diagrams to help you check the harness to see if it is shorted and if so to what
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Thursday, August 27th, 2015 AT 4:39 PM