2017 Hyundai Santa Fe SE Ultimate, AWDFACTORY OEM SERVICE PROCEDURE

Component Inspection

  1. IG "OFF".
  2. IG "ON".
  3. Connect GDS and select "Diagnostic Trouble Codes (DTC)  " mode.
  4. Using a GDS, Clear DTC.
  5. Check if the pressure sensor's service data shows '0 bar' on the GDS while not pressing the brake pedal.
  6. Use the GDS and check that the pressure sensor value rises while pressing the brake pedal.
  7. Is the pressure sensor's data unusually shown?

    YES 

    • Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
      NOTE: * In a case of replacing HECU, operate following functions
      1. "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C1261 ) - ESC (ESP) only
      2. "Longitudinal Sensor Calibration" for Longitudinal sensor offset correction (refer to C1285 ) - ESC (ESP) only

    NO 

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.