P0057 2016 GMC Sierra Code - HO2S Heater Control Circuit Low Voltage Bank 2 Sensor 2
Quick Answer
Heated Oxygen Sensors (HO2S) are used for fuel control and post catalyst monitoring. Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2, Heated Oxygen Sensor Bank 2 Sensor 2 harness is open shorted, Heated Oxygen Sensor 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 2016 GMC Sierra indicates HO2S Heater Control Circuit Low Voltage Bank 2 Sensor 2.
- Common causes
- Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2, Heated Oxygen Sensor Bank 2 Sensor 2 harness is open shorted, Heated Oxygen Sensor 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.
Code P0057 2016 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the ECM detects a short to ground in the heater output low side driver circuit of the heated oxygen sensor when the heater is commanded OFF for greater than 5 s.
What are the Possible Causes of the DTC P0057 2016 GMC Sierra?
- Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2
- Heated Oxygen Sensor Bank 2 Sensor 2 harness is open shorted
- Heated Oxygen Sensor Bank 2 Sensor 2 circuit poor electrical connection
- Heated Oxygen Sensor Bank 2 Sensor 2 circuit fuse
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0057 2016 GMC Sierra?
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 2016 GMC Sierra 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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Frequently Asked Questions about P0057 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code P0057 on a 2016 GMC Sierra?
- Common symptoms include decreased fuel efficiency, rough idling, and the illumination of the Check Engine Light.
2. What does the HO2S Heater Control Circuit Low Voltage Bank 2 Sensor 2 error code mean?
- This code indicates a malfunction in the oxygen sensor heater circuit for the second oxygen sensor on the second bank of the engine.
3. What are the possible causes of the P0057 code in a 2016 GMC Sierra?
- Potential causes include a faulty oxygen sensor, damaged wiring or connectors, a blown fuse, or a problem with the engine control module (ECM).
4. How serious is the OBDII code P0057 in a 2016 GMC Sierra?
- While this code may not cause immediate drivability issues, it can lead to decreased fuel efficiency and increased emissions if left unresolved.
5. How can I diagnose the P0057 code on my 2016 GMC Sierra?
- Diagnosis typically involves checking the oxygen sensor heater's resistance, inspecting the wiring and connectors for damage, and testing the related fuses.
6. Can I continue driving my 2016 GMC Sierra with the P0057 code?
- It is generally safe to drive the vehicle with this code, but prompt attention to the issue is recommended to avoid potential long-term damage.
7. How can I repair the HO2S Heater Control Circuit Low Voltage Bank 2 Sensor 2 error in a 2016 GMC Sierra?
- Repairs may involve replacing the oxygen sensor, repairing or replacing damaged wiring or connectors, and resetting the fault code with a diagnostic tool.
8. Is it possible to reset the Check Engine Light after fixing the P0057 code on a 2016 GMC Sierra?
- Yes, the Check Engine Light can be reset using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.
9. Can a DIY enthusiast handle the repair for the P0057 code on a 2016 GMC Sierra?
- Depending on their skill level and access to tools, a DIY enthusiast may be able to address this issue, especially if experienced with automotive repairs.
10. How much does it typically cost to fix the P0057 code in a 2016 GMC Sierra at a professional repair shop?
- The cost can vary depending on the exact cause of the issue, but it may range from $150 to $400 for parts and labor.
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