The P20EA automobile fault code indicates a problem with the Reductant Control Module Power Relay, which can cause the engine light to turn on. The possible causes include a faulty relay, an open or shorted harness, or a poor electrical connection. It is important to visually inspect the wiring harness and connectors for any damage or corrosion.

The repair time for this issue is estimated at 1.0, and it is crucial to address the problem promptly to avoid further damage to the vehicle.

To interpret the fault code, it is recommended to check the vehicle’s manual or consult with a professional mechanic.

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 P20EA fault code.

Here are some symptoms to look out for:

  • The P20EA 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, and rough idling.
  • Additionally, the vehicle may experience difficulty starting or stalling while driving.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe driving conditions.

The P20EA automobile fault code can be caused by a faulty power relay or poor electrical connection.

  • The automobile fault code P20EA 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 the possible fixes for the automobile fault code p20ea, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code P20EA, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors for any damage or corrosion.
  • Look for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The fault code P20EA indicates an issue with the Reductant Heater A Control CircuitOpen. The estimated repair time for this issue is 1.0 hour.

The cost of fixing this issue can vary depending on the auto repair shop, but it is common for them to charge between $75 and $150 per hour. Other factors that may influence the cost include the severity of the issue, the type of vehicle, and the location of the repair shop.

The P20EA code is a generic description for Reductant Control Module Power Relay De-Energized Performance Too Early. 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 P20EA fault code and how can they be checked?

If you’re experiencing the P20EA fault code, your engine light may be on. This could be due to a faulty Reductant Control Module Power Relay, an open or shorted harness, or a poor electrical connection in the circuit. To fix the issue, visually inspect the wiring harness and connectors for any damage or corrosion. Check for broken, bent, pushed out, or corroded connector pins.

How does a faulty Reductant Control Module Power Relay affect the engine and trigger the P20EA fault code?

A faulty Reductant Control Module Power Relay can trigger the P20EA fault code and cause the engine light to turn on. This can happen due to an open or shorted harness, poor electrical connection, or a faulty relay. To fix the issue, one should visually inspect the wiring harness and connectors for any damage or corrosion and check for broken or bent pins.

What are the recommended steps to fix the P20EA fault code and ensure that the related wiring harness and connectors are in good condition?

If you’re experiencing the P20EA fault code, start by checking the Reductant Control Module Power Relay and its related wiring harness and connectors. Look for any damage or poor electrical connections, such as broken, bent, pushed out, or corroded pins. Visually inspect the components and fix any issues found.

p20ea error fault code explained

If your engine light is on and the fault code is P20EA, it may be due to a faulty Reductant Control Module Power Relay or poor electrical connection.

Visually inspect the wiring harness and connectors for damage or corrosion. Check for broken or bent pins.

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