The automobile fault code P11D5 indicates a problem with the Nitrogen Oxides (NOx) Sensor 2. The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light.

The cause of this fault code can be a faulty NOx Sensor 2, an open or shorted harness, or a poor electrical connection in the NOx Sensor 2 circuit.

To fix this issue, you should visually inspect the wiring harness and connectors for any damage.

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

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

It is important to address this problem 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 p11d5 fault code.

  • The symptoms of the automobile fault code p11d5 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p11d5 can be caused by a faulty NOx sensor 2, an open or shorted harness, or a poor electrical connection in the NOx sensor 2 circuit.

  • The fault code P11D5 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 p11d5 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p11d5, 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.
  • Repair time estimation: 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p11d5 are the estimated repair time of 1.0 hour and the hourly rate charged by auto repair shops, which typically ranges between $75 and $150.

The P11D5 fault code indicates that the NOx Sensor 2 has exceeded the minimum learning limit. This sensor is part of the selective catalytic reduction system, which is used to reduce NOx emissions in diesel engines. There are two NOx sensors, one upstream and one downstream of the selective catalytic reduction system.

They are connected to the control module via CAN and exchange information through it. The NOx sensor is a smart sensor that performs electrical monitoring inside the sensor and sends the results to the Engine Control Module (ECM). It contains a sensing cell, a pumping cell, and a heater. The sensing cell measures the concentration of NOx in the exhaust gas, while the pumping cell controls the pump current to maintain a constant voltage in the sensing cell. When the ECM detects a circuit or performance fault in the NOx sensor for more than 2 seconds, it sets the P11D5 fault code.

This means that the NOx Sensor 2 has exceeded the minimum learning limit, indicating a problem with its circuitry or performance. It is important to address this issue to ensure proper functioning of the selective catalytic reduction system and reduce NOx emissions.

What are the possible causes for the automobile fault code p11d5?

If you see the engine light or service engine soon warning light on, the fault code P11D5 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” listed above for further troubleshooting.

How can I visually inspect the wiring harness and connectors to fix the p11d5 fault code?

If you’re dealing with the p11d5 fault code and your engine light is on, it’s time to take action. The culprit could be a faulty Nitrogen Oxides (NOx) Sensor 2 or issues with the wiring harness and connectors. To fix this, 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 p11d5 fault code?

When resolving the p11d5 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 that may be causing a poor electrical connection or an open/short circuit in the Nitrogen Oxides Sensor 2 harness.

p11d5 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 Nitrogen Oxides (NOx) Sensor 2.

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