P0058 2018 GMC Sierra Code - HO2S Heater Control Circuit High 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
- P0058 2018 GMC Sierra indicates HO2S Heater Control Circuit High 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 P0058 2018 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the ECM detects a short to voltage in the heater output low side driver circuit of the heated oxygen sensor when the heater is commanded ON for greater than 5 s.
What are the Possible Causes of the DTC P0058 2018 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 P0058 2018 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 P0058 2018 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.
Need more information about the P0058 2018 GMC Sierra code?
Need more information on how to fix the P0058 2018 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0058 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0058 2018 GMC Sierra Code
1. What does the OBDII code P0058 mean for a 2018 GMC Sierra?
P0058 indicates a high voltage issue in the heater control circuit for the oxygen sensor in Bank 2, Sensor 2.
2. What are the symptoms of code P0058 in a 2018 GMC Sierra?
Symptoms may include a check engine light, poor fuel efficiency, increased emissions, or the vehicle failing an emissions test.
3. What causes the P0058 code to appear on a 2018 GMC Sierra?
Common causes include a faulty oxygen sensor, damaged wiring or connectors, a short in the heater control circuit, or a malfunctioning ECM.
4. Which sensor is affected by code P0058 on my GMC Sierra?
P0058 refers to the downstream oxygen sensor (Sensor 2) on Bank 2, which is the side of the engine opposite cylinder 1.
5. Can I drive my 2018 GMC Sierra with a P0058 code?
While the vehicle may still be drivable, prolonged use with this code can lead to increased fuel consumption and potential damage to the catalytic converter.
6. How do I diagnose the P0058 code on a 2018 GMC Sierra?
Start by inspecting the wiring and connectors for damage, test the oxygen sensor heater circuit for continuity, and use a multimeter to check for proper voltage.
7. How do I fix the P0058 code on a 2018 GMC Sierra?
Repairs may include replacing the oxygen sensor, repairing damaged wiring, or addressing any short circuits in the heater control circuit.
8. Is the P0058 code related to poor engine performance?
Not directly, but it can lead to inefficient fuel-air mixture adjustments, which might cause minor performance issues over time.
9. How much does it cost to fix the P0058 code on a 2018 GMC Sierra?
Replacing an oxygen sensor typically costs $150–$300, including parts and labor, but repairing wiring or addressing ECM issues may vary.
10. Can a bad ECM cause the P0058 code on a 2018 GMC Sierra?
Yes, a faulty ECM can cause the P0058 code if it fails to regulate the heater control circuit properly.
Discuss the causes and fixes for P0058 2018 GMC Sierra OBDII Code
Code P0058 2018 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
