DTC C1424 ECM: Trouble symptom

ABS does not operate.
VDC does not operate.
Hill start assist does not operate.
Hill descent control does not operate. (Model with X mode)
EyeSight does not operate. (Model with EyeSight)

CHECK ECM.
1. Start the engine.
2. Read the DTC of the ECM. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>Read Diagnostic Trouble Code (DTC) . Ref. to ENGINE (DIAGNOSTICS) (H4DO)>Read Diagnostic Trouble Code (DTC) .
Are any DTCs displayed?
- Yes : Perform the diagnosis according to DTC. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>List of Diagnostic Trouble Code (DTC) . Ref. to ENGINE (DIAGNOSTICS) (H4DO)>List of Diagnostic Trouble Code (DTC) .
- No : Go to 2.
CHECK VDCCM&H/U.
1. Clear the memory. Ref. to BRAKE CONTROL (DIAGNOSTICS)>Clear memory .
2. Perform the Inspection Mode. Ref. to BRAKE CONTROL (DIAGNOSTICS)>Inspection Mode .
3. Read the DTC. Ref. to BRAKE CONTROL (DIAGNOSTICS)>Read Diagnostic Trouble Code (DTC) .
Is the same DTC displayed?
- Yes : Replace the VDCCM only. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)>REPLACEMENT .
- No : Go to 3.
CHECK DETECTION OF OTHER DTCS FOR VDC.
Ref. to BRAKE CONTROL (DIAGNOSTICS)>Read Diagnostic Trouble Code (DTC) .

Is any other DTC displayed?
- Yes : Perform the diagnosis according to DTC. Ref. to BRAKE CONTROL (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .
- No : Currently, it is normal. There may have been a temporary poor contact in the harness and connector or a temporary noise interference.