What are the symptoms of P0037?

Symptoms of P0037 include: Check engine light, Failed emissions test, Poor fuel economy.

To fix P0037, you can try: Replace downstream O2 sensor ($100-$300, intermediate); Repair short circuit in wiring ($100-$300, intermediate). Based on 96304 owner reports.

How much does it cost to fix P0037?

The average repair cost for P0037 is $718 based on 96304 owner reports. Costs vary depending on the specific repair needed.

P0037Medium Priority

Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 2

Category: Powertrain• Fuel and Air Metering

2 articles · 1 makes affected

What is P0037?

Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 1 Sensor 2). Low voltage in the downstream O2 sensor heater circuit, affecting catalytic converter monitoring.

Symptoms You May Notice

●Check engine light
●Failed emissions test
●Poor fuel economy

How to Fix It

●Replace downstream O2 sensor ($100-$300, intermediate)
●Repair short circuit in wiring ($100-$300, intermediate)

Owner Statistics

Based on 96,304 real owner discussions • 2340 confirmed solutions

Dataset (96,304 records)

$718

Average Repair Cost

Success Rate

18%

DIY Repairs

96,304

Data Sources

About This Data

Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.

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