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Home >> VinFast >> 2023 >> VF8 Eco >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Multimedia System Diagnosis (1 Of 2) >> DTC U0415-81: Invalid Data Received from Intelligent Distribute Brake (IDB) Module - Invalid Serial Data Received >> VinFast DTC Guided Repair Instruction >> Operating Conditions
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Operating Conditions

Enable Criteria
  1. Ignition ON
  2. The system battery voltage is between 9V and 16V
Failure Criteria Signal IDB_STATUS_0x20D.VehicleSpdSts = 1 "Invalid" from ESC.
Failure/Mature Time Immediate
Pass Criteria Signal IDB_STATUS_0x20D.VehicleSpdSts = 0 "valid" from ESC.
Pass/De-mature Time Immediate
Failure Aging 100 Ignition Cycles
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