LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> VinFast >> 2023 >> VF9 Eco >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Intelligent Distribution Brake Diagnosis (2 Of 2) >> DTC U0420-83: Data From Steering Angle Sensor (SAS) Control Module - Value Of Signal Protection Calculation Incorrect >> VinFast DTC Guided Repair Instruction >> Failure Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Failure Description

Vehicle Program VF8/VF9
ECU IDB
DTC Number U0420-83 
DTC Name Data from Steering Angle Sensor (SAS) Control Module - Value of Signal Protection Calculation Incorrect
Failure Type Byte 83 - Value of signal protection calculation incorrect
Definition and Potential Cause This fault occurs due to incorrect Checksum data received in message from EPS