The P20EB fault code in automobiles indicates a problem with the Reductant Control Module Power Relay, which can trigger the Engine Light or Service Engine Soon Warning Light.

The possible causes of this issue include a faulty power relay, an open or shorted harness, or poor electrical connections. To fix this problem, one needs to visually inspect the wiring harness and connectors for any damage or corrosion.

The repair time for this issue is estimated to be around 1.0. It is crucial to address this problem promptly to avoid further damage to the vehicle’s engine. To interpret the fault code, one needs to use an OBD-II scanner or code reader.

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

If you notice the Engine Light ON or Service Engine Soon Warning Light, it could be a sign of the p20eb fault code.

Here are some symptoms to look out for:

  • The P20EB fault code in automobiles can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include reduced engine power, decreased fuel efficiency, rough idling, and difficulty starting the engine.
  • Additionally, the vehicle may experience stalling or hesitation during acceleration, and there may be a noticeable decrease in overall performance.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe driving conditions.

The P20EB automobile fault code can be caused by a faulty power relay or poor electrical connection.

  • The automobile fault code P20EB can be caused by a faulty Reductant Control Module Power Relay.
  • It can also be caused by an open or shorted Reductant Control Module Power Relay harness.
  • Additionally, a poor electrical connection in the Reductant Control Module Power Relay circuit can also trigger this fault code.

Below are some possible fixes for the automobile fault code p20eb, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code P20EB, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors for any damage.
  • Look for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code P20EB can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the repair time, which is commonly charged between $75 and $150 per hour by most auto repair shops. Therefore, the total cost of fixing the P20EB fault code will depend on the hourly rate charged by the repair shop and the estimated repair time required to fix the issue.

The P20EB code is a generic description for Reductant Control Module Power Relay De-Energized Performance Too Late.

However, the manufacturer may have a different description for your vehicle’s model and year. Unfortunately, we do not have any further information about this OBDII code at this time. If you have any questions, please feel free to post them in the comments section below for more information.

What are the possible causes of the P20EB fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the P20EB fault code. This code is caused by a faulty Reductant Control Module Power Relay, an open or shorted harness, or poor electrical connection in the circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can I visually inspect the wiring harness and connectors related to the Reductant Control Module Power Relay?

If you’re experiencing an illuminated Engine Light or Service Engine Soon Warning Light, it could be due to a faulty Reductant Control Module Power Relay. To fix this issue, start by visually inspecting the wiring harness and connectors related to the relay. Check for any damaged components and look for broken, bent, pushed out, or corroded connector’s pins. This will help you identify any open or shorted circuits or poor electrical connections.

What are the consequences of not fixing the P20EB fault code?

Ignoring the P20EB fault code can lead to serious consequences such as reduced fuel efficiency, engine damage, and increased emissions. The fault code indicates a problem with the Reductant Control Module Power Relay, which can cause the engine light to turn on. It is important to visually inspect the wiring harness and connectors and check for damaged components to fix the issue. Neglecting to do so can result in costly repairs and harm to the environment.

p20eb error fault code explained

If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to a faulty Reductant Control Module Power Relay or poor electrical connection.

Check the wiring harness and connectors for damage and inspect the components for any issues.

Scroll to Top