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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Head Up Display Diagnosis >> DTC U0155-87: Lost Communication From IPC - Missing Message >> VinFast DTC Guided Repair Instruction >> Operating Conditions

Operating Conditions

Enable Criteria
  1. IGN ON and not in the first 1s
  2. Battery voltage is between 9V to 16V
Failure Criteria Communication loss ten cycles
Failure/Mature Time 1000 ms
Pass Criteria Communication normal
Pass/De-mature Time Immediate
Failure Aging 40 Ignition cycles
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