The P20AE 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 follow the suggested fix.

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 P20AE fault code.

Here are some symptoms to look out for:

  • The P20AE fault code in an automobile 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 P20AE automobile fault code can be caused by a faulty temperature sensor or poor electrical connection.

  • The automobile fault code P20AE 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 p20ae, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code P20AE, 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 automobile fault code P20AE is related to the Reductant Heater A Control CircuitOpen.

The estimated repair time for this fault code is 1.0 hour.

The cost of fixing this fault code is dependent on the hourly rate charged by the auto repair shop. The average hourly rate charged by most auto repair shops is between $75 and $150.

Therefore, the cost of fixing the P20AE fault code can range from $75 to $150.

The P20AE code is a fault code related to the Reductant Metering Unit Temperature Sensor Circuit Low. This code is a generic description, and the manufacturer may have a different description for your specific vehicle.

Unfortunately, we do not have any further information about 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 P20AE 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 P20AE 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. To fix this issue, you should 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 if the Reductant Metering Unit Temperature Sensor harness is open or shorted, or if there is a poor electrical connection in the circuit.

What are the consequences of ignoring the P20AE fault code in an automobile?

Ignoring the P20AE fault code in an automobile, which indicates a faulty Reductant Metering Unit Temperature Sensor, can lead to serious consequences. The engine light will remain on, and the vehicle may experience reduced fuel efficiency and increased emissions. It is important to address the issue promptly by visually inspecting the wiring harness and connectors, checking for damaged components, and repairing any issues found.

p20ae 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 Metering Unit Temperature Sensor or a poor electrical connection. Check the wiring harness and connectors for damage and inspect the components for any issues.

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