AutoCodesFord – P0037 2016 Ford F150

P0037 2016 Ford F150 Code - HO2S Heater Control Circuit Low Bank 1 Sensor 2

Quick Answer

The HO2S detects the presence of oxygen in the exhaust and produces a variable voltage according to the amount of oxygen detected. Common causes include Faulty Heated Oxygen Sensor Bank 1 Sensor 2 (HO2S12), Heated Oxygen Sensor Bank 1 Sensor 2 circuit open shorted to ground, Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0037 2016 Ford F150 indicates HO2S Heater Control Circuit Low Bank 1 Sensor 2.
Common causes
Common causes include Faulty Heated Oxygen Sensor Bank 1 Sensor 2 (HO2S12), Heated Oxygen Sensor Bank 1 Sensor 2 circuit open shorted to ground, Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 250
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 01, 2023
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Code P0037 2016 Ford F150 Description

The HO2S detects the presence of oxygen in the exhaust and produces a variable voltage according to the amount of oxygen detected. A high concentration of oxygen (lean air to fuel ratio) in the exhaust produces a voltage signal of less than 0.4 volt. A low concentration of oxygen (rich air to fuel ratio) produces a voltage signal greater than 0.6 volt. The HO2S provides feedback to the Powertrain Control Module (PCM) indicating air to fuel ratio in order to achieve a near stoichiometric air to fuel ratio of 14.7 to 1 (9 to 1 E100) during closed loop engine operation.
When the oxygen sensor is cold, disconnected, or on initial start-up, the voltage may read between 1.5 to 1.7 volts. The oxygen sensor voltage will decrease to the normal operating range of 0.0 to 1.1 volts during warm, stabilized engine running conditions.
The HO2S heater is embedded with a sensing element. The heating element heats the sensor to a temperature of 800°C (1,472°F). At approximately 300°C (572°F) the engine enters closed loop operation. The heater allows the engine to enter closed loop operation sooner.
The PCM controls the Heated Oxygen Sensor Bank 1, Sensor 2 (HO2S12) heater ON and OFF duty cycle to maintain a calibrated temperature. This Diagnostic Trouble Code (DTC) is set when the sensor does not warm up to the required temperature in a calibrated amount of time. This DTC is also set when the PCM is not able to maintain the required temperature after the sensor is warmed.
OBDII Code P0037 2016 Ford F150 - HO2S Heater Control Circuit Low Bank 1 Sensor 2 - AutoCodes.com
P0037 2016 Ford F150 Code - HO2S Heater Control Circuit Low Bank 1 Sensor 2

What are the Possible Causes of the DTC P0037 2016 Ford F150?

  • Faulty Heated Oxygen Sensor Bank 1 Sensor 2 (HO2S12)
  • Heated Oxygen Sensor Bank 1 Sensor 2 circuit open shorted to ground
  • Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection

How to Fix the DTC P0037 2016 Ford F150?

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 2016 Ford F150 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.

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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 2016 Ford F150 Code

1. What are the common symptoms of OBDII code P0037 on a 2016 Ford F150?

- Common symptoms include decreased fuel efficiency, rough idling, and the illumination of the Check Engine Light.

2. What does the OBDII code P0037 "HO2S Heater Control Circuit Low Bank 1 Sensor 2" mean for a 2016 Ford F150?

- This code indicates that the heating element in the downstream oxygen sensor (Sensor 2) on Bank 1 is not functioning properly.

3. What are the possible causes of OBDII code P0037 on a 2016 Ford F150?

- Common causes include a faulty oxygen sensor, damaged wiring or connectors, a blown fuse, or a problem with the engine control module.

4. How can I diagnose the issue causing OBDII code P0037 on my 2016 Ford F150?

- A diagnostic scan tool can help pinpoint the exact cause by checking the oxygen sensor's heater circuit, wiring integrity, and related components.

5. Can I continue driving my 2016 Ford F150 with OBDII code P0037 present?

- It is not recommended to drive for an extended period with this code as it can lead to reduced engine performance and potential damage over time.

6. Is it possible to repair OBDII code P0037 on a 2016 Ford F150 myself?

- While some DIY enthusiasts might be able to replace the oxygen sensor or check the wiring, it is advisable to consult a professional for accurate diagnosis and repair.

7. How much does it typically cost to fix OBDII code P0037 on a 2016 Ford F150?

- The cost can vary depending on the exact cause, but repairs for this code could range from $100 to $400, including parts and labor.

8. Are there any tips to prevent OBDII code P0037 from occurring again on a 2016 Ford F150?

- Regular maintenance, such as checking and replacing oxygen sensors as needed, can help prevent this code from reoccurring in the future.

9. Will resetting the Check Engine Light resolve OBDII code P0037 on a 2016 Ford F150?

- Simply resetting the light without addressing the underlying issue will not fix the problem; the root cause needs to be diagnosed and repaired.

10. How long does it take to fix OBDII code P0037 on a 2016 Ford F150?

- The repair time can vary based on the specific cause and complexity of the issue, but it typically takes a few hours to diagnose and fix the problem.

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