Hyundai Elantra AD Quiz
Automatic Transmission

Underdrive Brake Control Solenoid Valve (UD/B_VFS) Repair Procedures

In this manual: Automatic Transmission
General Information — 9Engine Mechanical System — 84Engine Electrical System — 60Emission Control System — 24Engine Control System/Fuel System — 90Automatic Transmission — 92Drive Shaft and Axle — 20Suspension System — 31Steering — 20Restraints — 50Brake System — 63Body (Interior and Exterior) — 214Body Electrical System — 221Heating, Ventilation, and Air Conditioning — 71
5steps
~30min
2/5difficulty
Done 0 of 5

Inspection

  1. Turn the ignition off.
  2. Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery")
  3. Disconnect the solenoid valve connector (A).
  4. Measure the resistance between the sensor signal terminal and the sensor ground terminal.
  5. Make sure the resistance is within specification.

Replacement
If necessary, replace the valve body or solenoid valves that require hydraulic adjustment, or replace the automatic transaxle assembly. After replacing the automatic transaxle assembly, enter the TCM hydraulic calibration data.
  1. Perform the oil pressure characteristic input procedure. • Location of the oil pressure characteristic (barcode)
    • Entering oil pressure characteristics (exchange gear)

Test yourself

A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.