[SOLVED] P112D Code: Oxygen Sensor Circuit/Open – Fix And Get Back On Road!

The automobile fault code P112D indicates a problem with the Oxygen (O2) Sensor Bank 2 Sensor 1. This can be identified by the Engine Light or Service Engine Soon Warning Light being illuminated.

The cause of this fault code could be a faulty O2 sensor, an open or shorted harness, or a poor electrical connection in the circuit. To fix this issue, it is recommended to visually inspect the wiring harness and connectors for any damage.

Additionally, check for broken, bent, pushed out, or corroded pins in the connectors.

The repair time for this issue is estimated to be around 1.0.

It is important to address this fault code promptly to ensure optimal engine performance.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p112d fault code.

  • The symptoms of the automobile fault code p112d include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p112d can be caused by a faulty Oxygen (O2) Sensor Bank 2 Sensor 1, an open or shorted O2 Sensor Bank 2 Sensor 1 harness, or a poor electrical connection in the O2 Sensor Bank 2 Sensor 1 circuit.

  • The fault code P112D can be caused by the following: a faulty Oxygen (O2) Sensor Bank 2 Sensor 1, an open or shorted O2 Sensor Bank 2 Sensor 1 harness, or a poor electrical connection in the O2 Sensor Bank 2 Sensor 1 circuit.

To fix the automobile fault code p112d, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p112d, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p112d are the estimated repair time and the hourly rate charged by auto repair shops. The estimated repair time for this fault code is 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for their services.

These factors will determine the overall cost of diagnosing and fixing the p112d fault code.

The P112D fault code refers to a problem with the Oxygen (O2) Sensor Bank 2 Sensor 1.

The Engine Control Module (ECM) is responsible for monitoring this sensor. When the sensor does not meet the factory specifications, the ECM sets the P112D code.

This code specifically indicates an issue with the control circuit or an open circuit for either the negative or positive current of the oxygen sensor in Bank 2. It is important to address this fault code promptly to ensure proper functioning of the vehicle’s emissions system.

How can I determine if the engine light is on due to a faulty Oxygen (O2) Sensor Bank 2 Sensor 1?

If your engine light is on, it could be due to a faulty Oxygen (O2) Sensor Bank 2 Sensor 1. This can be caused by an open or shorted harness, or a poor electrical connection in the O2 Sensor Bank 2 Sensor 1 circuit. To determine if this is the issue, visually inspect the wiring harness and connectors, checking for any damage or broken pins. This will help you identify and fix the problem.

What steps should I take to visually inspect the wiring harness and connectors related to the O2 Sensor Bank 2 Sensor 1?

To visually inspect the wiring harness and connectors related to the O2 Sensor Bank 2 Sensor 1, start by checking for any damaged components. Look closely for broken, bent, pushed out, or corroded pins on the connectors. This can help identify any issues with the O2 Sensor Bank 2 Sensor 1 harness, such as an open or shorted circuit or a poor electrical connection. By conducting this visual inspection, you can determine if any of these factors are causing the Engine Light or Service Engine Soon Warning Light to turn on.

Are there any specific signs of damaged components or connector pins that I should look out for when checking for potential issues with the O2 Sensor Bank 2 Sensor 1 circuit?

If you’re checking for potential issues with the O2 Sensor Bank 2 Sensor 1 circuit, there are a few signs of damaged components or connector pins that you should keep an eye out for. One common symptom is the Engine Light being ON or the Service Engine Soon Warning Light illuminating. The cause of this could be a faulty Oxygen (O2) Sensor Bank 2 Sensor 1, an open or shorted harness, or a poor electrical connection in the circuit. To fix this, you should visually inspect the wiring harness and connectors, checking for any damaged components. Additionally, look for any broken, bent, pushed out, or corroded connector pins.

p112d error fault code explained

If you’re seeing the Engine Light ON or the Service Engine Soon Warning Light, it could be due to a faulty Oxygen (O2) Sensor Bank 2 Sensor 1. To fix this, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Look out for broken or bent pins on the connectors.

Scroll to Top