Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Kia Rio LX, AutomaticFACTORY OEM SERVICE PROCEDURE
Fail Safe Function
- TCM malfunction in 1st or 2nd gear.
CUTTING OFF THE E/C PRESSURE BY E/C VALVE
SPEED REFERENCE CHARTSpeed F/C R/C E/C K/D 1st ◦ 2nd ◦ ◦ Fail ◦ ◦ - F/C, SR: from 2-3/4-3 shift valve
- R/C: from PCV-B
- SA: from 1-2 shift valve
- TCM malfunction in 1st or 2nd gear.
If the hydraulic pressure is supplied to E/C and the F/C, SR pressure is delayed.
SPEED REFERENCE CHARTSpeed F/C R/C E/C K/D 1st ◦ 2nd ◦ ◦ Fail ◦ ◦ - R/C, E/C, S/A: interlock
NOTE:- SA: Servo Apply pressure
- F/C: Front Clutch pressure
- R/C: Rear Clutch pressure
- K/D: Kick Down
- SCV: Shift Control Valve
- CSV: Control Switch Valve
- PCSV: Pressure Control Solenoid Valve
- SCSV: Shift Control Solenoid Valve
- PCV: Pressure Control Valve
- RCEV: Rear Clutch Exhaust Valve
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.