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Home >> Toyota >> 2013 >> Prius Plug-in >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostic Codes & Symptom Tests) (Plug-In) >> Can Communication System >> Symptom Tests >> Open in CAN Main Bus Line >> Description
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Open in CAN Main Bus Line: Description

There may be an open circuit in one of the V bus main wires and/or a DLC3 branch wire when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is 70 Ω or higher.

Symptom Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of DLC3 is 70 Ω or higher.
  • DLC3 branch wire or connector
  • CAN main bus wire or connector
  • ECM
  • Plugin charge control ECU assembly
  • CAN No. 1 junction connector
  • CAN No. 2 junction connector

This malfunction is not related to the wires of a CAN main bus branch or to ECUs or sensors connected a CAN main bus branch.