C1203Wheel-speed sensor front right: open or short circuit

• Hyundai/Kia code · ABS / stability control
• Lights a warning lamp

How the car detects it

The electrical circuit of the front right wheel-speed sensor is open or shorted. The ABS/ESC unit has switched off ABS, traction and stability control for safety; normal braking still works.

What you may notice

• ABS, traction and ESC warning lights
• ABS does not work

Likely causes

• LikelyDamaged sensor wire or connector (chafing, corrosion)
• PossibleFailed sensor

Sources

• static.nhtsa.gov › MC-10089848-5448.pdf · official document
• youcanic.com › hyundai-fault-code-dtc
• carmanualshub.com › kia-diagnostic-trouble-codes

Backed by an official manufacturer document.

From Obdaryn's Hyundai/Kia pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.