C1628Instrument cluster signal fault (CAN)

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

How the car detects it

The power steering unit receives an invalid signal from the instrument cluster. 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

• PossibleCluster 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.