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Home >> VinFast >> 2023 >> VF8 Plus >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Front/Rear Drive Motor Control Diagnosis (1 Of 2) >> DTC P1402-04: Complex Programmable Logic Device (CPLD) -System Internal Failure >> VinFast DTC Guided Repair Instruction >> Operating Conditions

Operating Conditions

Enable Criteria Ignition ON
Failure Criteria Internal fault occurs
  1. Complex Programmable Logic Device (CPLD) Driver Internal Failure
  2. Complex Programmable Logic Device (CPLD) Power supply circuit Short to Ground
Failure/Mature Time 30 ms
Pass Criteria None of the below internal faults occur
  1. Complex Programmable Logic Device (CPLD) driver Internal Failure
  2. Complex Programmable Logic Device (CPLD) Power supply circuit Short to Ground.
Pass/De-mature Time 30 ms
Failure Aging 100 Ignition cycles.
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