2009 Kia Rio Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Pressure Control Solenoid Valve (PCSV): Description: Function

  • Damper Clutch Control Solenoid Valve (DCCSV)

    : Controlled by the PCM. A damper clutch operates by the DCCSV.

  • Shift Control Solenoid Valve-A (SCSV-A)

    : Controlled by the PCM. It operates at 1st/4th gear.

  • Shift Control Solenoid Valve-B (SCSV-B)

    : Controlled by the PCM. It operates at 1st/2nd gear.

  • Shift Control Solenoid Valve-C (SCSV-C)

    : Controlled by the PCM. It operates at 3rd/4th gear and reduces line pressure.

    It controls the end clutch.

  • Pressure Control Solenoid Valve-A (PCSV-A)

    : Controlled by the PCM. It controls the engaged pressure of the front clutch, end clutch, kick down brake and low & reverse brake.

  • Pressure Control Solenoid Valve-B (PCSV-B)

    : Controlled by the PCM. It controls the engaged pressure of the rear clutch.

ITEM FUNCTION CHART

Item Function
DC control solenoid valve Makes the oil passage for damper clutch
Pressure control solenoid valve A Makes the oil passage for K/D, E/C
Pressure control solenoid valve B Makes the oil passage for R/C
Shift control solenoid valve A Makes the oil passage at each gear
Shift control solenoid valve B Makes the oil passage at each gear
Shift control solenoid valve C Makes the oil passage for E/C
Torque reduction request signal Send torque reduction request signal to ECM
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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