The P20AD automobile fault code indicates a problem with the Reductant Metering Unit Temperature Sensor.

This can cause the engine light to turn on, indicating a need for service.

The cause of this issue could be a faulty sensor, 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 this problem promptly to avoid further damage to the vehicle.

To interpret the fault code, it is recommended to check the “Possible Causes” listed above and inspect the related components thoroughly.

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 P20AD fault code.

Here are some symptoms to look out for:

  • The P20AD 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 difficulty starting the engine.
  • Additionally, the vehicle may experience rough idling or stalling, and there may be a noticeable decrease in acceleration.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe driving conditions.

The P20AD automobile fault code can be caused by various issues, including a faulty temperature sensor or poor electrical connection.

  • The automobile fault code P20AD can be caused by a faulty Reductant Metering Unit Temperature Sensor.
  • It can also be caused by an open or shorted Reductant Metering Unit Temperature Sensor harness.
  • Additionally, a poor electrical connection in the Reductant Metering Unit Temperature Sensor circuit can also trigger this fault code.

Below are some possible fixes for the automobile fault code p20ad, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code P20AD, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for any damaged components and check 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 P20AD indicates an issue with the reductant heater control circuit.

The estimated repair time for this fault code is 1.0 hour. The cost of fixing this issue can vary depending on the auto repair shop, but it is common for most shops 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 P20AD code is a fault code related to the Reductant Metering Unit Temperature Sensor Circuit RangePerformance. However, the manufacturer may have a different description for your specific vehicle.

Unfortunately, we do not have any further information on this code at this time.

If you have any questions or concerns, please feel free to post them in the comments section below for more information.

What are the possible causes of the P20AD fault code in an automobile?

If you see the engine light on or the service engine soon warning light, it could be due to the P20AD fault code. This code is caused by a faulty reductant metering unit temperature sensor, an open or shorted harness, or a poor electrical connection in the sensor 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 one visually inspect the wiring harness and connectors related to the Reductant Metering Unit Temperature Sensor?

If you’re experiencing an Engine Light ON (or Service Engine Soon Warning Light), it could be due to a faulty Reductant Metering Unit Temperature Sensor, an open or shorted harness, or a poor electrical connection. To fix this issue, visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. This will help you identify the problem and take the necessary steps to resolve it.

What are the consequences of ignoring the P20AD fault code in an automobile?

Ignoring the P20AD fault code in an automobile can lead to serious consequences. The engine light will remain on, indicating a problem with the Reductant Metering Unit Temperature Sensor. This can result in reduced fuel efficiency, increased emissions, and potential damage to the engine. It is important to address the issue by visually inspecting the wiring harness and connectors, checking for damaged components, and fixing any poor electrical connections.

p20ad error fault code explained

If your engine light is on, it could be due to a faulty Reductant Metering Unit Temperature Sensor or related wiring issues. To fix it, visually inspect the wiring harness and connectors for damage or corrosion. Check for broken or bent pins.

Scroll to Top