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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Head Up Display Diagnosis >> DTC U1173-88: Info CAN Bus Off Fault - Bus Off >> VinFast DTC Guided Repair Instruction >> Operating Conditions

Operating Conditions

Enable Criteria
  1. Ignition ON
  2. Battery voltage is between 9 V to 16V
  3. Info-CAN is active
Failure Criteria The error is detected when there is communication on the Info-CAN line and the local cell's error counters of the CAN controller reach the BUS OFF condition.
Failure/Mature Time 1000 ms
Pass Criteria Any message is transmitted successfully in Info-CAN
Pass/De-mature Time Immediate
Failure Aging 40 Ignition cycles
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