C1101ABS/ESC supply voltage too high
- Hyundai/Kia code · ABS / stability control
- Lights a warning lamp
- How the car detects it
- The ABS/ESC unit measured too high a supply voltage, usually from a charging-system fault. The ABS/ESC unit has switched off ABS, traction and stability control for safety; normal braking still works.
- What you may notice
- ABS/ESC warning light
- Likely causes
- PossibleAlternator voltage regulator fault (overcharging)
- RareJump-starting or a charger connected with the engine running
- Sources
Backed by at least two independent sources.
From Obdaryn's Hyundai/Kia pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.