LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2013 >> Tucson GL, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> General Information >> DTC Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Description

The PCM monitors front O2 sensor reference ground circuit (VG) and sets DTC P2251 if front O2 sensor signal stuck is detected.