SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSHYUNDAI2013EQUUS ULTIMATEREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLELECTRONIC STABILITY CONTROL DIAGNOSISDTC C1201: WHEEL SPEED SENSOR FRONT-LH RANGE PERFORMANCE INTERMITTENTGENERAL INFORMATIONDTC DETECTING CONDITION
2013 Hyundai Equus Ultimate

General Information: DTC Detecting Condition

2013 Hyundai Equus UltimateSECTION DTC Detecting Condition
Item Detecting Condition Possible Cause
Case1 (WSS fault) DTC Strategy
  • Signal Monitoring
  1. Poor connection
  2. Improper installation of wheel speed sensor
  3. Abnormal Rotor and wheel bearing
  4. Faulty Wheel speed sensor
Threshold value
  • After IG ON, when the change of a vehicle speed is over 35 km/h (21.7 mph), this monitoring is started. And the change of a wheel deceleration or acceleration is over 1.6G. Or the vehicle speed is detected as a 411 km/h (255 mph) for a certain time.
Fail-Safe
  1. Only one wheel failure

    : The ABS/TCS/ESC functions are inhibited.

    The ABS/ESC warning lamps are activated, the EBD warning lamp is not activated.

  2. More than two wheels failure

    : The ABS/EBD/TCS/ESC functions are inhibited.

    The ABS/EBD/ESC warning lamps are activated.
Case2 (Rotor fault) DTC Strategy
  • Signal Monitoring
Threshold value
  • when the signal error of a wheel speed is continuously detected 15 times at a special rotor's position
Fail-Safe
  1. Only one wheel failure

    : The ABS/TCS/ESC functions are inhibited.

    The ABS/ESC warning lamps are activated, the EBD warning lamp is not activated.

  2. More than two wheels failure

    : The ABS/EBD/TCS/ESC functions are inhibited.

    The ABS/EBD/ESC warning lamps are activated.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote 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.