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Home >> VinFast >> 2023 >> VF9 Eco >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Trailer Module Diagnosis >> DTC U0140-87: Lost Communication With Body Control Module - Missing Message >> VinFast DTC Guided Repair Instruction >> Failure Actions
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Failure Actions

Classification Slight Fault
Driver Notifications NO
Fail Safe Actions
  1. Control of all lamps except Brake lamp shall be based only on hardwired signals from BCM. Control of Brake Lamp shall be based only on the use of the BCM_SwitchSts (0x109) and hardwired signals from BCM.
  2. Control of Brake Lamp shall be based only on the use of the BCM_LIGHT (0x106) and hardwired signals from BCM.
  3. Operating voltage shall be determined by ECU measured battery voltage.
  4. Ignition status shall default to OFF.
  5. None.
  6. None.
Power Level NA
High Voltage State NA
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