P0152 Code - O2 Sensor Circuit High Voltage Bank 2 Sensor 1

Quick Answer

The diagnostic trouble code P0152 indicates that the O2 sensor circuit for Bank 2 Sensor 1 is registering a high voltage reading. Common causes include Faulty O2 sensor, Damaged or corroded wiring, ECM malfunction. 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

P0152 indicates O2 Sensor Circuit High Voltage Bank 2 Sensor 1.

Common causes

Common causes include Faulty O2 sensor, Damaged or corroded wiring, ECM malfunction.

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.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• Tech Notes
• FAQs
• Comments
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Common Causes of P0152

Symptoms of P0152

How to Fix P0152

Cost to Fix P0152

Tech Notes for P0152

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Code P0152 Information for Specific Makes

• P0152 Audi — HO2S21 Sensor Circuit High Voltage
• P0152 BMW — O2 Sensor Circuit High Voltage Bank 2 Sensor 1
• P0152 Buick — HO2S Circuit High Voltage Bank 2 Sensor 1
• P0152 Cadillac — HO2S Circuit High Voltage Bank 2 Sensor 1
• P0152 Chevrolet — HO2S Circuit High Voltage Bank 2 Sensor 1
• P0152 Chrysler — O2 sensor 2/1 Circuit High
• P0152 Dodge — O2 sensor 2/1 Circuit High
• P0152 Ford — O2 Sensor Circuit High Voltage Bank 2 Sensor 1
• P0152 GMC — HO2S Circuit High Voltage Bank 2 Sensor 1
• P0152 Hyundai — HO2S Circuit High Voltage Bank 2 Sensor 1
• P0152 Infiniti — O2 Sensor Circuit High Bank 2 Sensor 1
• P0152 Infiniti — Air Fuel Ratio Circuit High Bank 2 Sensor 1
• P0152 Jaguar — O2 Sensor Circuit High Voltage Bank 2 Sensor 1
• P0152 Jeep — O2 sensor 2/1 Circuit High
• P0152 KIA — HO2S21 Circuit High Voltage
• P0152 Lexus — HO2S21 Circuit High Voltage
• P0152 Mazda — HO2S LF Circuit High Input
• P0152 Mercedes-Benz — O2 Sensor Circuit High Voltage Bank 2 Sensor 1
• P0152 Mercury — O2 Sensor Circuit High Voltage Bank 2 Sensor 1
• P0152 MINI — O2 Sensor Circuit High Voltage Bank 2 Sensor 1
• P0152 Mitsubishi — Cylinder 2-3 Heated Oxygen Front Sensor Circuit High Voltage
• P0152 Nissan — Air Fuel Ratio Circuit High Bank 2 Sensor 1
• P0152 Nissan — O2 Sensor Circuit High Bank 2 Sensor 1
• P0152 Pontiac — HO2S Circuit High Voltage Bank 2 Sensor 1
• P0152 Saturn — HO2S Circuit High Voltage Bank 2 Sensor 1
• P0152 Scion — HO2S21 Circuit High Voltage
• P0152 Subaru — HO2S21 Circuit High Voltage
• P0152 Toyota — HO2S21 Circuit High Voltage
• P0152 Volkswagen — HO2S21 Sensor Circuit High Voltage

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.

Frequently Asked Questions about P0152 Code

1. What are the common symptoms of OBDII code P0152?

- Common symptoms include poor fuel economy, rough idling, engine hesitation, and the illumination of the check engine light.

2. What does the OBDII code P0152 indicate?

- OBDII code P0152 indicates that there is a high voltage condition in the O2 sensor circuit of Bank 2 Sensor 1.

3. What are the possible causes of OBDII code P0152?

- Possible causes include a faulty O2 sensor, wiring issues, exhaust leaks, a vacuum leak, or a problem with the engine's fuel system.

4. How can I diagnose the issue causing OBDII code P0152?

- Diagnosing the issue may involve using a scan tool to monitor O2 sensor data, visually inspecting the wiring, checking for exhaust leaks, and performing voltage tests.

5. Can a dirty or contaminated O2 sensor cause code P0152?

- Yes, a dirty or contaminated O2 sensor can cause false high voltage readings and trigger code P0152. Cleaning or replacing the sensor may resolve the issue.

6. What is the typical repair procedure for OBDII code P0152?

- The typical repair involves diagnosing the specific cause, which may include replacing the O2 sensor, repairing wiring, fixing exhaust leaks, or addressing other underlying issues.

7. Is it safe to continue driving with OBDII code P0152?

- It is generally not recommended to continue driving with code P0152, as it can lead to decreased fuel efficiency and potential damage to the engine over time.

8. How much does it cost to fix OBDII code P0152?

- The cost of fixing code P0152 can vary depending on the specific cause, but it may range from $100 to $300 for parts and labor.

9. Can I reset the check engine light after fixing OBDII code P0152?

- Yes, once the underlying issue causing code P0152 has been resolved, you can reset the check engine light using an OBDII scanner to clear the code.

10. How can I prevent OBDII code P0152 from recurring in the future?

- To prevent the code from recurring, it's important to perform regular maintenance on your vehicle, address any issues promptly, and ensure proper installation of components like the O2 sensor.