AutoCodes – Dodge – P0057 Dodge

P0057 Dodge Code - O2 Sensor 2/2 Heater Circuit Low

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 2 Sensor 2, Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 harness is open shorted, Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit poor electrical connection. 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
P0057 Dodge indicates O2 Sensor 2/2 Heater Circuit Low.
Common causes
Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2, Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 harness is open shorted, Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit poor electrical connection.
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 19,000
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 23, 2024
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Code P0057 Dodge 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 P0057 Dodge - O2 Sensor 2/2 Heater Circuit Low - AutoCodes.com
P0057 Dodge Code - O2 Sensor 2/2 Heater Circuit Low

What are the Possible Causes of the DTC P0057 Dodge?

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

How to Fix the DTC P0057 Dodge?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0057 Dodge 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 P0057 Dodge Code

1. What are the common symptoms of OBDII code P0057 in a Dodge related to the O2 Sensor 2/2 Heater Circuit Low?

- Common symptoms include poor fuel efficiency, rough idling, engine misfires, and the illumination of the Check Engine light.

2. What are the possible causes of OBDII code P0057 in a Dodge indicating an issue with the O2 Sensor 2/2 Heater Circuit Low?

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

3. How can I diagnose the O2 Sensor 2/2 Heater Circuit Low issue triggering code P0057 in my Dodge?

- You can diagnose the problem by using an OBDII scanner to retrieve the specific code, visually inspecting the sensor and its connections, and testing the sensor's resistance with a multimeter.

4. Can I continue driving my Dodge with OBDII code P0057 related to the O2 Sensor 2/2 Heater Circuit Low?

- While the car may still be drivable, it is recommended to address the issue promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance.

5. How can I repair OBDII code P0057 indicating a malfunction in the O2 Sensor 2/2 Heater Circuit Low in my Dodge?

- The repair may involve replacing the oxygen sensor, repairing or replacing damaged wiring or connectors, checking and replacing fuses if necessary, and resetting the engine control module.

6. Are there any DIY tips for fixing OBDII code P0057 in a Dodge caused by the O2 Sensor 2/2 Heater Circuit Low?

- DIY tips include ensuring the sensor is receiving proper voltage, checking for any visible signs of damage or corrosion, and following a step-by-step guide to safely replace the faulty components.

7. How important is it to address OBDII code P0057 related to the O2 Sensor 2/2 Heater Circuit Low in a Dodge?

- It is crucial to address this issue promptly as it can impact engine performance, fuel efficiency, and emissions, potentially leading to more severe problems if left unattended.

8. Will resetting the Check Engine light resolve OBDII code P0057 associated with the O2 Sensor 2/2 Heater Circuit Low in my Dodge?

- Simply resetting the light will not fix the underlying issue causing the code. It is essential to diagnose the problem, make the necessary repairs, and clear the code using an OBDII scanner.

9. How much does it typically cost to repair OBDII code P0057 indicating an O2 Sensor 2/2 Heater Circuit Low problem in a Dodge?

- The cost can vary depending on the extent of the damage and whether you choose to do the repairs yourself or take your vehicle to a mechanic. Costs may range from $100 to $300 or more.

10. Can a faulty O2 Sensor 2/2 Heater Circuit Low in a Dodge causing OBDII code P0057 be cleaned or repaired, or does it need to be replaced?

- In most cases, a faulty oxygen sensor causing the P0057 code will need to be replaced rather than cleaned or repaired.

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