[SOLVED] P206C Code: Low Voltage Reductant Sensor – How To Fix

The P206C fault code in automobiles indicates a problem with the Reductant Quality Sensor. The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light. The cause of this issue could be a faulty sensor, an open or shorted harness, or a poor electrical connection.

It is important to address this issue promptly as it can lead to reduced fuel efficiency and increased emissions. The repair process involves visually inspecting the wiring harness and connectors for any damage or corrosion.

The difficulty level of this repair is considered to be moderate, and it typically takes around 1.0 hour to fix.

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 p206c fault code. Here are the symptoms to look out for:

  • The P206C 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, poor acceleration, rough idling, stalling, and decreased fuel efficiency.
  • Additionally, the vehicle may experience difficulty starting, 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 automobile fault code p206c can be caused by a faulty reductant quality sensor, open or shorted harness, or poor electrical connection.

  • The automobile fault code p206c can be caused by a faulty Reductant Quality Sensor.
  • It can also be caused by an open or shorted Reductant Quality Sensor harness.
  • Additionally, a poor electrical connection in the Reductant Quality Sensor circuit can also trigger this fault code.

To fix the p206c automobile fault code, check the possible causes and inspect related wiring harness and connectors for damage.

  • To fix the automobile fault code p206c, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for damaged components and broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The fault code P206C indicates a problem with the fuel level sensor circuit.

The diagnosis involves checking the wiring and connections, as well as testing the sensor itself. The estimated repair time for this issue is 1.0 hour.

The cost of fixing this fault code can vary depending on the hourly rate of the auto repair shop, which is typically between $75 and $150 per hour.

Other factors that may affect the cost include the location of the repair shop, the type of vehicle, and the availability of replacement parts.

The P206C code is related to the Reductant Quality Sensor in the reductant tank of the automobile. This sensor uses an ultrasonic signal to measure the quality of the reductant fluid and has an integrated temperature sensor to measure its temperature. If the Reductant Control Module detects that the Reductant Quality Sensor signal is out of range low for more than 5 seconds, it will set the Diagnostic Trouble Code (DTC) for P206C, indicating a low voltage in the Reductant Quality Sensor circuit.

What are the possible causes of the P206C automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the P206C fault code. This code is caused by a faulty reductant quality sensor, an open or shorted reductant quality sensor harness, or a poor electrical connection in the reductant quality 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 pins.

How can I visually inspect the wiring harness and connectors related to the Reductant Quality Sensor?

If you’re experiencing an illuminated Engine Light or Service Engine Soon Warning Light, it could be due to a faulty Reductant Quality Sensor or an open/shorted harness. To fix this issue, visually inspect the wiring harness and connectors related to the sensor. Check for any damaged components and look for broken, bent, pushed out, or corroded connector pins. This will help you identify the root cause of the problem and take necessary steps to fix it.

What are the steps to take if I find damaged components or broken, bent, pushed out, or corroded connector’s pins during the inspection?

If you find damaged components or broken, bent, pushed out, or corroded connector’s pins during the inspection, follow these steps. First, check the “Possible Causes” listed above. Then, visually inspect the related wiring harness and connectors. Finally, look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.

p206c error fault code explained

If your engine light is on and the fault code is p206c, it may be due to a faulty reductant quality sensor or poor electrical connection. To fix it, visually inspect the wiring harness and connectors for damage or corrosion.

Check for broken or bent pins.

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