CAN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART

CAN MS bus (Main body ECU output code)
DTC Code Detection Item Trouble Area See page
U0230 Lost Communication with Rear Gate Module

  • Back door ECU branch wire or connector

  • Back door ECU power source circuit

  • Back door ECU

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U0327 Software Incompatibility with Vehicle Security Control Module

  • Certification ECU branch wire or connector

  • Certification ECU power source circuit

  • Certification ECU

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U1002 (CAN MS BUS) Lost Communication with Gateway Module (Main body ECU)

  • Open or short in CAN MS bus main wire or connector

  • Open or short in CAN MS bus branch wire or connector

  • Certification ECU

  • Back door ECU

  • Main body ECU

  • CAN junction connector RR

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