AutoCodes – MINI – P122E MINI

P122E MINI Code - Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection

Quick Answer

The Engine Control Module (ECM) monitors the Nitrogen Oxide Sensor Binary Oxygen Sensor. Common causes include Faulty Nitrogen Oxide Sensor Binary Oxygen Sensor, Nitrogen Oxide Sensor Binary Oxygen Sensor harness is open or shorted, Nitrogen Oxide Sensor Binary Oxygen Sensor 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
P122E MINI indicates Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection.
Common causes
Common causes include Faulty Nitrogen Oxide Sensor Binary Oxygen Sensor, Nitrogen Oxide Sensor Binary Oxygen Sensor harness is open or shorted, Nitrogen Oxide Sensor Binary Oxygen Sensor 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.
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Code Popularity 1,287
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 03, 2019
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Code P122E MINI Description

The Engine Control Module (ECM) monitors the Nitrogen Oxide Sensor Binary Oxygen Sensor. The ECM sets the OBDII code when the Nitrogen Oxide Sensor Binary Oxygen Sensor is not to factory specifications.
OBDII Code P122E MINI - Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection - AutoCodes.com
P122E MINI Code - Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection

What are the Possible Causes of the DTC P122E MINI?

  • Faulty Nitrogen Oxide Sensor Binary Oxygen Sensor
  • Nitrogen Oxide Sensor Binary Oxygen Sensor harness is open or shorted
  • Nitrogen Oxide Sensor Binary Oxygen Sensor circuit poor electrical connection

How to Fix the DTC P122E MINI?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P122E MINI 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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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 P122E MINI Code

1. What are the common symptoms of OBDII code P122E in a MINI related to the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection?

- Common symptoms include poor engine performance, reduced fuel efficiency, and the illumination of the Check Engine Light.

2. What typically causes the OBDII code P122E in a MINI, indicating a Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection?

- This code is usually triggered by a disconnection or fault in the wiring or connectors related to the nitrogen oxide sensor or binary oxygen sensor.

3. How can I diagnose the issue causing OBDII code P122E in my MINI with the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection?

- A thorough inspection of the wiring harness, connectors, and sensor itself is recommended to identify any visible damage or loose connections.

4. Is it safe to continue driving my MINI when OBDII code P122E related to the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection is active?

- It's best to address this issue promptly to prevent potential damage to the engine or emissions system, so it is advisable to avoid extended driving until the problem is resolved.

5. Can I repair OBDII code P122E in my MINI with the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection on my own?

- Depending on your experience and tools available, you may be able to repair this issue yourself by fixing any wiring issues, replacing connectors, or replacing the sensor if necessary.

6. Will resetting the Check Engine Light resolve OBDII code P122E linked to the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection?

- Simply resetting the light will not fix the underlying problem causing the code. Proper diagnosis and repair are needed to address the issue effectively.

7. How much does it typically cost to repair OBDII code P122E in a MINI due to the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection?

- The cost of repair can vary depending on the extent of the issue and whether you perform the repair yourself or take it to a mechanic. It may involve replacing wiring, connectors, or the sensor itself.

8. Can extreme weather conditions contribute to triggering OBDII code P122E related to the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection?

- Yes, extreme temperatures or moisture can potentially damage the sensor or wiring, leading to the activation of this fault code.

9. Are there any preventive measures I can take to avoid encountering OBDII code P122E in my MINI due to the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection in the future?

- Regularly inspecting the sensor, connectors, and wiring for signs of wear or damage, as well as ensuring they are properly secured, can help prevent this issue from occurring.

10. How urgent is it to address OBDII code P122E related to the Nitrogen Oxide Sensor Binary Oxygen Sensor Line Disconnection in my MINI?

- While the vehicle may still be operable with this code present, addressing it promptly is recommended to prevent potential complications and ensure optimal engine performance and emissions control.

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