C1209Wheel-speed sensor rear 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 rear 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-11005362-0002.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.