How to Fix P1121 HYUNDAI Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check Engine Light On (or Service Engine Soon Warning Light)
P1121 HYUNDAI Meaning
Throttle Position Input – Abnormal is the generic description for Hyundai code P1121, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have further information on Hyundai OBDII code P1121.