C1693Stability control (VSM) signal fault

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

How the car detects it

The stability control (VSM/ESC) signal on CAN is invalid. 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

• PossibleCAN wiring between power steering and ESC
• PossiblePower steering power or ground

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.