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Home >> Hyundai >> 2017 >> Veloster Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis (3 Of 3) - 1.6L GDI >> DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

DTC DETECTING CONDITIONS AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Circuit continuity check
  1. Poor connection
  2. Open or short power/ground in signal circuit
  3. S1
Enable Conditions
  • sensor voltage is between 1.47V and 1.53V
Threshold Value
  • Internal resistance is higher than 950Ω
Diagnostic Time
  • 5 sec.
MIL ON Condition
  • 2 Driving cycle
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