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Home >> Hyundai >> 2013 >> Tucson GL, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0037: HO2S Heater Control Circuit Low (Bank 1/Sensor 2) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITIONS

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  • Related fuse blown or missing
  • Open or short to ground in power supply or control harness
  • Poor connection or damaged harness
  • Faulty HO2S
Enable Conditions
  • No relevant failure
  • 10V< Battery voltage <16V
  • 3.5%< O2 sensor heater control duty <96.5%
Threshold Value
  • Short circuit to ground
Diagnostic Time
  • 10 sec.
Mil On Condition
  • 2 Driving Cycles
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