AutoCodes – Toyota – P0037 2006 Toyota Camry

P0037 2006 Toyota Camry Code - Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 2

Quick Answer

Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0037 2006 Toyota Camry indicates Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 2.
Common causes
Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code Popularity 9,837
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0037 2006 Toyota Camry Description

Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. The faster the heated oxygen sensor reaches that temperature the faster the sensor will start sending an accurate signal to the Engine Control Module (ECM).
In order to achieve the require temperature, a heater element is included inside the heated oxygen sensor. The ECM controls the heated oxygen sensor heater element based on signals from the engine coolant temperature and engine load. The ECM controls the heater element circuit by allowing current flow to ground.
The ECM monitors the voltage signal received through the heater element circuit and determines the state of the circuit by comparing the voltage detected with the factory specifications.
OBDII Code P0037 2006 Toyota Camry - Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 2 - AutoCodes.com
P0037 2006 Toyota Camry Code - Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 2

What are the Possible Causes of the DTC P0037 2006 Toyota Camry?

  • Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0037 2006 Toyota Camry?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0037 2006 Toyota Camry code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0037 2006 Toyota Camry code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0037 2006 Toyota Camry Code

1. What does OBDII code P0037 mean for a 2006 Toyota Camry?

This code indicates a problem with the oxygen sensor heater control circuit for Bank 1 Sensor 2, which is the downstream oxygen sensor on the side of the engine with cylinder 1.

2. What are the common symptoms of a P0037 code on a 2006 Toyota Camry?

Common symptoms include decreased fuel efficiency, rough idling, engine misfires, and an illuminated check engine light on the dashboard.

3. What are the possible causes of a P0037 code on a 2006 Toyota Camry?

Possible causes include a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, a blown fuse, or issues with the engine control module (ECM).

4. How can I diagnose a P0037 code on my 2006 Toyota Camry?

Diagnosis typically involves checking the oxygen sensor's resistance, inspecting the sensor's wiring and connectors for damage, testing related fuses, and using a scan tool to monitor sensor data.

5. How do I repair a P0037 code on a 2006 Toyota Camry?

Repair options may include replacing the oxygen sensor, repairing damaged wiring or connectors, replacing blown fuses, or addressing any ECM issues that may be causing the fault.

6. Can I drive my 2006 Toyota Camry with a P0037 code?

While it may be possible to drive with a P0037 code, it is not recommended as it can lead to decreased fuel efficiency and potentially cause damage to other engine components over time.

7. Is it safe to ignore a P0037 code on a 2006 Toyota Camry?

Ignoring a P0037 code can lead to poor engine performance, increased emissions, and potential damage to the catalytic converter, so it is best to address the issue promptly.

8. How much does it typically cost to repair a P0037 code on a 2006 Toyota Camry?

The cost of repairing a P0037 code can vary depending on the root cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can a P0037 code on a 2006 Toyota Camry be fixed at home?

Depending on your mechanical skills and access to tools, you may be able to replace the oxygen sensor or address wiring issues at home. However, more complex repairs may require professional assistance.

10. How often does a P0037 code occur in a 2006 Toyota Camry?

The occurrence of a P0037 code can vary depending on the vehicle's maintenance history and driving conditions, but it is not an uncommon issue in older vehicles like the 2006 Toyota Camry.

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