Fail Safe Function

2003 Hyundai Accent BaseSECTION Fail Safe Function
WARNING: This page is about a different variant/trim than selected.
  1. TCM fail when drive with 1st or 2nd speed.

    Cutting off the E/C pressure by E/C valve 

    Fig 1: Cutting Off The E/C Pressure By E/C Valve
    G00963627Courtesy of HYUNDAI MOTOR CO.
    • F/C, SR : from 2-3/4-3 shift valve
    • R/C : from PCV-B
    • SA : from 1-2 shift valve
    Fig 2: Cutting Off E/C Pressure By E/C Valve
    G00963628Courtesy of HYUNDAI MOTOR CO.
  2. TCM fail when drive with 1st or 2nd speed.

    If the hydraulic pressure is supplied to E/C and the F/C, SR pressure is delayed?

    Fig 3: TCM Fail When Drive With 1st Or 2nd Speed Table
    G00963629Courtesy of HYUNDAI MOTOR CO.
    • R/C, E/C, SA: Interlock
    Fig 4: TCM Fail When Drive With 1st Or 2nd Speed
    G00963630Courtesy of HYUNDAI MOTOR CO.
RENDER: 1.0x

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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.