P0059 2018 Chevrolet Silverado Code - HO2S Heater Resistance Bank 2 Sensor 1
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 1, Heated Oxygen Sensor Bank 2 Sensor 1 harness is open shorted, Heated Oxygen Sensor Bank 2 Sensor 1 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
- P0059 2018 Chevrolet Silverado indicates HO2S Heater Resistance Bank 2 Sensor 1.
- Common causes
- Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1, Heated Oxygen Sensor Bank 2 Sensor 1 harness is open shorted, Heated Oxygen Sensor Bank 2 Sensor 1 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.
Code P0059 2018 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) will be set when the ECM detects the HO2S heater is not within a specified resistance range at engine start-up.
What are the Possible Causes of the DTC P0059 2018 Chevrolet Silverado?
- Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1
- Heated Oxygen Sensor Bank 2 Sensor 1 harness is open shorted
- Heated Oxygen Sensor Bank 2 Sensor 1 circuit poor electrical connection
- Heated Oxygen Sensor Bank 2 Sensor 1 circuit fuse
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0059 2018 Chevrolet Silverado?
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 P0059 2018 Chevrolet Silverado 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 P0059 2018 Chevrolet Silverado code?
Need more information on how to fix the P0059 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0059 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0059 2018 Chevrolet Silverado Code
1. What does the OBDII code P0059 mean on a 2018 Chevrolet Silverado?
P0059 indicates an issue with the heater circuit resistance for the oxygen sensor (HO2S) on Bank 2 Sensor 1, which is located on the exhaust system before the catalytic converter on the side opposite Cylinder 1.
2. What are common symptoms of the P0059 code in a 2018 Chevy Silverado?
Common symptoms include the check engine light turning on, possible poor fuel economy, rough idling, and difficulty passing emissions tests.
3. What causes the P0059 code in a 2018 Chevrolet Silverado?
Possible causes include a faulty oxygen sensor, damaged wiring or connectors in the heater circuit, a blown fuse, or a malfunctioning powertrain control module (PCM).
4. How do you diagnose the P0059 code in a Chevy Silverado?
Start by scanning for codes and inspecting the wiring and connectors for damage, check the oxygen sensor heater resistance with a multimeter, and verify fuse integrity in the heater circuit.
5. Can you drive a 2018 Chevrolet Silverado with the P0059 code?
While the truck may still be drivable, ignoring the P0059 code can lead to increased emissions, reduced fuel efficiency, and potential damage to other components.
6. How do you fix the P0059 code on a 2018 Chevy Silverado?
Repairs may include replacing the Bank 2 Sensor 1 oxygen sensor, repairing or replacing damaged wiring or connectors, and checking for and replacing blown fuses.
7. How much does it cost to fix the P0059 code on a 2018 Chevrolet Silverado?
The cost to replace an oxygen sensor typically ranges from $150 to $300, depending on labor rates and parts pricing, but additional repairs for wiring or the PCM may increase costs.
8. Will clearing the P0059 code solve the problem on a Chevy Silverado?
Clearing the code may temporarily turn off the check engine light, but it will not fix the underlying issue and the code is likely to return.
9. How can you prevent the P0059 code from occurring again?
Regular maintenance, including inspecting and replacing oxygen sensors as needed, checking wiring for damage, and ensuring proper electrical connections, can help prevent this code.
10. Is the P0059 code related to emissions problems in a 2018 Chevrolet Silverado?
Yes, the P0059 code can affect the operation of the oxygen sensor heater, which may disrupt the air-fuel ratio and lead to higher emissions.
Discuss the causes and fixes for P0059 2018 Chevrolet Silverado OBDII Code
Code P0059 2018 Chevrolet Silverado 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.
