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Home >> VinFast >> 2023 >> VF8 Eco >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Vehicle Control Diagnosis (6 Of 10) >> DTC P1A05-83: DC/DC Converter Control Module "A"- Value of Signal Protection Calculation Incorrect >> VinFast DTC Guided Repair Instruction >> Operating Conditions
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Operating Conditions

Enable Criteria Ignition is active
Failure Criteria Signal protection calculation incorrect error is detected on DC/DC Converter messages (0x326, 0x346, 0x366 on PT CAN).
Failure/Mature Time 1000 ms
Pass Criteria Signal protection calculation incorrect error is not detected on DC/DC Converter messages (0x326, 0x346, 0x366 on PT CAN).
Pass/De-mature Time 2000 ms
Failure Aging 40 driving cycles without failure