DTC P0037 Ho2S Heater Circuit Low (Bank 1/Sensor 2): DTC Detecting Condition

DTC DETECTING CONDITION

Item	Detecting Condition	Possible cause
DTC Strategy	Detects a short to ground or open circuit of O2 sensor heater circuit output	Poor Connection Open in Power Circuit Open or short to ground in control circuit HO2S (B1/S2) PCM
Enable Conditions	No disabling Faults Present Engine Running 11V ≤ Ignition Voltage ≤ 16V Enable Time delay ≥ 0.5sec
Threshold value	short to ground or open circuit
Diagnosis Time	Continuous (More than 5 seconds failure for every 10 seconds test )
MIL On Condition	2 Driving Cycles