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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Abs/ESC Diagnosis (HEV) (1 Of 2)) >> DTC C1604-04: ECU Hardware Error >> Troubleshooting >> Diagnostic Flowchart

Diagnostic Flowchart

WARNING: This page is about a different variant/trim than selected.
Fig 1: 1 Of 2
G15450096Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: 2 Of 2
G00619142Courtesy of HYUNDAI MOTOR AMERICA
NOTE:

* In a case of replacing IEBM, perform following functions

1) "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to DTC C1261-04: Steering Angle Sensor Not Calibrated ) -ESP (ESC) only

2) "Longitudinal Sensor Calibration" for Longitudinal sensor offset correction (refer to DTC C1285-04: Uncalibrated Ax Signal ) - ESP (ESC) only

3) "Variant Coding" for option coding (refer to DTC C1702-04: VARIANT CODING ERROR )