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GV70 2.5T
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Rear Occupant Alert Diagnosis
Rear Occupant Alert Diagnosis
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Component (Location) And Function
Component Function
ROA
Rear Occupant Alert (ROA)
ICU
ICU (Integrated Central Control Unit)
High Speed CAN Communication
General Information
High Speed CAN Network
Reference Waveform
DTC Information
CAN Line Error: Message Error_Poor connection in main line
DTC Description
Probable Root Cause
CAN BUS OFF: Communication failure_Open/short in main line_Short in branch line
DTC Description
Probable Root Cause
CAN Time Out: Communication failure for the control module_Poor power supply to control module_Poor contact in main line
DTC Description
Probable Root Cause
DTC B2677-00: ECU Internal Error
DTC Information And Inspection
DTC Description
DTC Detecting Condition
Troubleshooting
Diagnostic Flowchart
ETM
DTC B2679-00: ROA CAN Bus OFF
DTC Information And Inspection
DTC Description
DTC Detecting Condition
Troubleshooting
Diagnostic Flowchart
ETM
DTC B2680-00: Sensor Blockage
DTC Information And Inspection
DTC Description
DTC Detecting Condition
Troubleshooting
Diagnostic Flowchart