P0135 2016 Chevrolet Silverado Code - HO2S Heater Performance Bank 1 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 1 Sensor 1, Heated Oxygen Sensor Bank 1 Sensor 1 harness is open shorted, Heated Oxygen Sensor Bank 1 Sensor 1 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
- P0135 2016 Chevrolet Silverado indicates HO2S Heater Performance Bank 1 Sensor 1.
- Common causes
- Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1, Heated Oxygen Sensor Bank 1 Sensor 1 harness is open shorted, Heated Oxygen Sensor Bank 1 Sensor 1 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 P0135 2016 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the HO2S 1 heater current is out of factory specifications.
What are the Possible Causes of the DTC P0135 2016 Chevrolet Silverado?
- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1
- Heated Oxygen Sensor Bank 1 Sensor 1 harness is open shorted
- Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection
- Heated Oxygen Sensor Bank 1 Sensor 1 circuit fuse
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0135 2016 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 P0135 2016 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.
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Frequently Asked Questions about P0135 2016 Chevrolet Silverado Code
What does the OBDII code P0135 mean on a 2016 Chevrolet Silverado?
Code P0135 indicates a problem with the oxygen sensor heater circuit on Bank 1 Sensor 1, meaning the heater element in the upstream O2 sensor is not functioning properly.
What are the symptoms of code P0135 in a 2016 Chevrolet Silverado?
Common symptoms include an illuminated check engine light, reduced fuel efficiency, poor engine performance, and in some cases, difficulty passing an emissions test.
What causes the P0135 code to appear on a 2016 Chevrolet Silverado?
Possible causes include a faulty oxygen sensor, a damaged or corroded wiring harness, blown fuses, or issues with the PCM (powertrain control module).
Can I drive my 2016 Chevrolet Silverado with a P0135 code?
While the vehicle may still be drivable, ignoring this issue can lead to reduced fuel efficiency, increased emissions, and potential damage to other engine components over time.
How do I diagnose the P0135 code on a 2016 Chevrolet Silverado?
Start by using an OBDII scanner to confirm the code. Then, inspect the oxygen sensor, wiring, and fuses for damage or corrosion. A multimeter can be used to test the heater circuit's resistance.
How do I fix the P0135 code on a 2016 Chevrolet Silverado?
Common fixes include replacing the faulty oxygen sensor, repairing damaged wiring, replacing blown fuses, or addressing any issues in the PCM.
How much does it cost to fix the P0135 code on a 2016 Chevrolet Silverado?
The cost to repair this code typically ranges from $150 to $400, depending on whether only the oxygen sensor needs replacing or additional electrical repairs are required.
Can a dirty oxygen sensor cause the P0135 code on a 2016 Chevrolet Silverado?
No, the P0135 code specifically relates to the heater circuit in the oxygen sensor, not contamination or fouling of the sensor itself.
Does the P0135 code affect emissions in a 2016 Chevrolet Silverado?
Yes, a malfunctioning heater circuit can cause the oxygen sensor to perform poorly, leading to increased emissions and potentially failing an emissions test.
Is the oxygen sensor the only component that can trigger a P0135 code on a 2016 Chevrolet Silverado?
No, other components like the wiring, connectors, fuses, or even the PCM can cause this code if they disrupt the heater circuit's functionality.
Discuss the causes and fixes for P0135 2016 Chevrolet Silverado OBDII Code
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