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Home >> VinFast >> 2023 >> VF9 Eco >> Repair and Diagnosis >> Body & Frame >> Seats >> Driver Power Seat Module Diagnosis >> DTC U0140-87: Lost Communication With Body Control Module - Missing Message >> VinFast DTC Guided Repair Instruction >> Operating Conditions
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Operating Conditions

Enable Criteria
  1. Ignition ON
  2. Currently no CAN BUS OFF fault
Failure Criteria Monitored message BCM_CLAMP_STAT (0x112) is timeout for Mature Time consecutively more than 5 times, lost communication can be confirmed.
Failure/Mature Time 500 ms
Pass Criteria Monitored message is received correctly more than 5 times in a row.
Pass/De-mature Time 500 ms
Failure Aging 30 Ignition cycles
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