C1622Vehicle speed signal fault from the engine computer

• Hyundai/Kia code · Power steering
• Lights a warning lamp

How the car detects it

The power steering unit receives an invalid vehicle-speed signal, which it needs to reduce assistance at speed. When the power steering limits or stops its assistance, the steering becomes heavy but still works mechanically.

What you may notice

• Power steering warning light

Likely causes

• PossibleEngine computer or CAN wiring

Sources

• static.nhtsa.gov › MC-10179244-0001.pdf · official document

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.