P0137 2016 GMC Sierra Code - HO2S Circuit Low Voltage Bank 1 Sensor 2
Quick Answer
The P0137 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates an issue with the HO2S (Heated Oxygen Sensor) Circuit Low Voltage for Bank 1 Sensor 2. Common causes include Faulty oxygen sensor, Damaged wiring or connectors, Exhaust leaks near the sensor. 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
- P0137 2016 GMC Sierra indicates HO2S Circuit Low Voltage Bank 1 Sensor 2.
- Common causes
- Common causes include Faulty oxygen sensor, Damaged wiring or connectors, Exhaust leaks near the sensor.
- 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 P0137 2016 GMC Sierra Description
The P0137 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates an issue with the HO2S (Heated Oxygen Sensor) Circuit Low Voltage for Bank 1 Sensor 2. This sensor is located downstream of the catalytic converter and is responsible for monitoring the oxygen levels in the exhaust gases. The oxygen sensor provides feedback to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion efficiency.
Common Causes of P0137 2016 GMC Sierra
- Faulty oxygen sensor
- Damaged wiring or connectors
- Exhaust leaks near the sensor
- ECM malfunction
- Contaminated sensor due to oil or coolant leaks
Symptoms of P0137 2016 GMC Sierra
- Check Engine Light illuminated on the dashboard
- Decreased fuel efficiency
- Rough idling or stalling
- Poor acceleration or engine performance
- Increased emissions output
How to Fix P0137 2016 GMC Sierra
- Use an OBD-II scanner to confirm the P0137 code and pinpoint the exact issue.
- Inspect the wiring and connectors for any damage or corrosion and repair as necessary.
- Check for exhaust leaks near the sensor and fix them to prevent false readings.
- Replace the Bank 1 Sensor 2 oxygen sensor if it is faulty or contaminated.
- Clear the DTC and reset the ECM to see if the issue has been resolved.
Cost to Fix P0137 2016 GMC Sierra
The typical repair costs for addressing a P0137 code on a 2016 GMC Sierra can range from $150 to $400, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to inquire about local rates for a more accurate estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less for similar services.
Tech Notes for P0137 2016 GMC Sierra
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