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Engine-Codes – GMC – P0160 GMC

P0160 GMC Code - O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2

Quick Answer

The P0160 GMC code indicates that there is no activity detected in the O2 sensor circuit for Bank 2 Sensor 2 in your vehicle. Common causes include Faulty O2 sensor, Damaged wiring or connectors in the sensor circuit, 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
P0160 GMC indicates O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2.
Common causes
Common causes include Faulty O2 sensor, Damaged wiring or connectors in the sensor circuit, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P0160 GMC Description

The P0160 GMC code indicates that there is no activity detected in the O2 sensor circuit for Bank 2 Sensor 2 in your vehicle. The O2 sensor, also known as the oxygen sensor, plays a crucial role in monitoring the oxygen levels in the exhaust gases that exit the engine. This information is essential for the engine control unit (ECU) to adjust the air-fuel mixture to ensure optimal combustion and reduce emissions.

OBDII Code P0160 GMC - O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2
P0160 GMC Code - O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2

Common Causes of P0160 GMC

  1. Faulty O2 sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Exhaust leaks near the sensor
  4. Issues with the ECU

Symptoms of P0160 GMC

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Illuminated check engine light
  4. Increased emissions
  5. Lack of power or acceleration

How to Fix P0160 GMC

  1. Begin by inspecting the wiring and connectors in the O2 sensor circuit for any damage or corrosion. Repair or replace any damaged components.
  2. Test the O2 sensor using a multimeter to check for proper functionality. Replace the sensor if it is found to be faulty.
  3. Clear the diagnostic trouble codes stored in the ECU and drive the vehicle to see if the issue recurs.
  4. If the problem persists, further diagnostic testing may be required to pinpoint the exact cause, such as checking for exhaust leaks or testing the ECU.

Cost to Fix P0160 GMC

The cost of repairing a P0160 GMC code can vary depending on the specific cause of the issue. In general, replacing an O2 sensor can cost between $100 and $200 for the part alone. Labor costs can add an additional $50 to $100 per hour, with total repair costs ranging from $150 to $400 or more.

What does this mean?

Tech Notes for P0160 GMC

Replacing the Rear Heated Oxygen Sensor Bank 2 usually takes care of the problem

When is the Code Detected?

The Powertrain Control Module (PCM) monitors the HO2S voltage and detects if the voltage goes out of the bias range. If the PCM does not detect the voltage went out of the bias range, the P0160 code will set.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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