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Home >> Kia >> 2009 >> Spectra5 2.0 1, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> P0037: Ho2S Heater Control Circuit Low (Bank1/Sensor2) >> DTC Detecting Condition
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P0037: Ho2S Heater Control Circuit Low (Bank1/Sensor2): DTC Detecting Condition

DTC DETECTING CONDITION CHART

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
  • Contact resistance in connectors
  • Faulty HO2S
Enable Conditions
  • 10V < Battery voltage < 16V
  • 1% < Heater power < 99%
Threshold Value
  • Short to ground
Diagnostic Time
  • 10 sec.
Fail-Safe
  • Heater open loop control
Mil On Condition
  • 2 Driving Cycles