Operation CHARM
: Car repair manuals for everyone.
Home
>>
Hyundai
>>
2000
>>
Elantra GLS Sedan L4-2.0L
>>
Repair and Diagnosis
>>
A L L Diagnostic Trouble Codes ( DTC )
>>
Testing and Inspection
>>
P Code Charts
>>
P0037
P0037
Heated O2 Sensor (S2/B1) heater control - circuit low
Probable cause: wiring short to ground, HO2s, ECM
Hyundair Motor Company does not provide any diagnostic information for this year model.