[SOLVED] P11Be Code: Fix O2 Reference Voltage Circuit For Nox Sensor 2

The automobile fault code P11BE indicates a problem with the Nitrogen Oxides (NOx) Sensor 2.

This can be identified by the Engine Light or Service Engine Soon Warning Light turning on. The possible causes include a faulty sensor, an open or shorted harness, or a poor electrical connection in the sensor 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 fault code is estimated to be 1.0. It is important to address this issue promptly to ensure optimal engine performance and emissions control.

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 p11be fault code.

  • The symptoms of the automobile fault code p11be include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p11be can be caused by a faulty NOx sensor 2, an open or shorted harness, or a poor electrical connection in the sensor circuit.

  • The fault code P11BE can be caused by a faulty Nitrogen Oxides (NOx) Sensor 2, an open or shorted Nitrogen Oxides Sensor 2 harness, or a poor electrical connection in the Nitrogen Oxides Sensor 2 circuit.

To fix the automobile fault code p11be, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p11be, you need to follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • 5.
  • Repairing this fault code is estimated to take approximately 1.0 hour.

The automobile fault code p11be can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of the repair will depend on the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour.

The P11BE fault code refers to a problem with the O2 reference voltage circuit in NOx Sensor 2. This sensor is part of the selective catalytic reduction system, which helps reduce NOx emissions in diesel engines.

There are two NOx sensors in this system, one placed upstream and one downstream of the selective catalytic reduction.

They are connected to the control module via CAN and exchange information through it. The NOx sensor contains a sensing cell, a pumping cell, and a heater.

It measures the concentration of NOx in the exhaust gas by maintaining a constant reference voltage across the sensing cell. The amount of current required to maintain this voltage is proportional to the NOx concentration.

If the ECM software detects a fault in the NOx sensor circuitry or a performance issue with the sensor for more than 2 seconds, it will set the P11BE fault code. This code indicates a problem with the O2 reference voltage circuit in NOx Sensor 2.

It is important to address this issue promptly to ensure proper functioning of the selective catalytic reduction system and reduce NOx emissions from the engine.

What are the possible causes for the automobile fault code p11be?

If you see the engine light or service engine soon warning light on, the fault code P11BE could be the culprit. This code is often caused by a faulty Nitrogen Oxides (NOx) Sensor 2, an open or shorted harness, or a poor electrical connection in the NOx Sensor 2 circuit. To fix this issue, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded pins in the connectors. Don’t forget to check the possible causes mentioned above.

How can I visually inspect the wiring harness and connectors to fix the p11be fault code?

If you’re dealing with the p11be fault code and your engine light is on, it’s time to take action. The cause could be a faulty Nitrogen Oxides (NOx) Sensor 2 or issues with the wiring harness and connectors. To fix it, start by visually inspecting the wiring harness and connectors. Look for any signs of damage, such as broken or bent pins, corrosion, or components that are out of place. This simple step could be the key to resolving the issue and getting your engine running smoothly again.

What should I look for when checking for damaged components and connector’s pins to resolve the p11be fault code?

When resolving the p11be fault code, start by checking for damaged components and connector’s pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any signs of damage such as broken, bent, pushed out, or corroded pins. By doing this, you can identify any issues with the Nitrogen Oxides Sensor 2 harness and circuit connections, which may be causing the engine light to turn on.

p11be error fault code explained

If your engine light is on or you see a service engine soon warning, it could be due to a faulty Nitrogen Oxides (NOx) Sensor 2. To fix this issue, visually inspect the wiring harness and connectors for any damage.

Check for broken, bent, pushed out, or corroded connector pins.

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