C2374

DTC C2366 TC VALVE PRIMARY (USV1) ERROR
DTC C2370 TC VALVE SECONDARY (USV2) ERROR
DTC C2372 ESC VALVE l (HSV1) ERROR
DTC C2374 ESC VALVE 2 (HSV2) ERROR

COMPONENT LOCATION:

GENERAL DESCRIPTION
The ESC HECU is composed of an ECU (Electronic Control Unit) and a HCU( Hydraulic Control Unit), so the HECU hardware includes all solenoid valves inside the unit as well as the ECU. Solenoid valves are switched to ON, OFF by HECU when the ABS/ESC is activated. Solenoid valves function is to increase, decrease or maintain the hydraulic pressure supplied to a wheel cylinder.

DTC DETECTING CONDITION

DTC DETECTING CONDITION:

COMPONENT INSPECTION
Refer to DTC C2308. C2308

VERIFICATION OF VEHICLE REPAIR
Refer to DTC C2308. C2308