Fault Code P0037
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0037
HO2S Heater Control Circuit Low (Bank 1 Sensor 2)
Oxygen sensor heater circuit (Bank 1 Sensor 2) voltage low. The sensor heats up slowly and affects emission control.
Part Details
Part Name
Rear oxygen sensor (Bank 1 Sensor 2)
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪200 - ₪600
Engine Location
Exhaust pipe — after catalytic converter
Symptoms
- Check Engine light
- High emissions
Possible Causes
- 1Faulty oxygen sensor
- 2Burnt or corroded wiring
- 3Burnt heater circuit fuse
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