2014 Hyundai Veloster Base, Standard TransFACTORY OEM SERVICE PROCEDURE

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Signal monitoring
  1. Improper installation of wheel speed sensor
  2. Abnormal Rotor and wheel bearing
  3. Faulty Wheel speed sensor
Enable Conditions Case1 (wrong exciter)
  • Controller counts the number of the wheel acceleration of 100 g[(25 km/h) for 7 ms]. When the numbers at one wheel exceed 56 times, or When the numbers at more two wheels exceed 5 times, controller recognize the failure.
  • Controller counts the number of the wheel acceleration of 70 g[(17.5 km/h) for 7 ms]. When the numbers at one wheel exceed 126 times, or When the numbers at more two wheels exceed 20 times, controller recognize the failure.
  • Controller counts the number of the wheel deceleration of -100 g[(-25 km/h) for 7 ms]. When the numbers at each wheel exceed 56 times, controller recognize the failure.
  • The wheel deceleration of -100 g[(-25 km/h) for 7 ms] causes the controller to start monitoring this failure and to compare the wheel velocity with the vehicle velocity from next cycle. When its difference of -100 g is continued for more than 140 msec, controller recognize the failure.
  • In case that any sensor failure at other wheel was already detected, When the numbers of 100 g at each wheel exceed 5 times, or When the numbers of 70 g at each wheel exceed 20 times, controller recognize the failure.
    • The counter of speed jump is cleared every 30 min.
    • This monitoring is performed for the period that the velocity of each wheel exceeds 2 km/h.
Case2 (Speed jump)
  • Max. wheel velocity exceeds 20 km/h and the wheel velocity is 40% of max. wheel velocity. if this condition is lasted for 2 minutes.
  • Max. wheel velocity exceeds 40 km/h and the wheel velocity is 60% of max. wheel velocity. if this condition is lasted for 2 minutes.
Fail Safe
  1. Only one wheel failure: Inhibit the ABS/ESC/DBC control, allow the EBD control. The ABS/ESC/DBC warning lamps are activated, the EBD warning lamp is not activated.
  2. More than two wheels failure: The ABS/EBD/ESC/DBC functions are inhibited. The ABS/EBD/ESC/DBC warning lamps are activated.
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:

  • • 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.

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