[SOLVED] P202C Code: Fixing High Control Circuit In Reductant Tank Heater

The P202C fault code in automobiles indicates a problem with the Reductant Tank Heater system. 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 Reductant Tank Heater, 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 p202c fault code. Here are the symptoms to look out for:

  • The P202C fault code in an automobile can cause several symptoms.
  • The most common symptom is the illumination of the engine light or service engine soon warning light.
  • Other symptoms 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.

The P202C automobile fault code can be caused by a faulty reductant tank heater, open or shorted harness, or poor electrical connection.

  • The automobile fault code P202C can be caused by a faulty Reductant Tank Heater.
  • It can also be caused by an open or shorted Reductant Tank Heater harness.
  • Additionally, a poor electrical connection in the Reductant Tank Heater circuit can also trigger this fault code.

To fix the p202c fault code, check the possible causes and inspect related wiring harness, connectors, and components for damage.

  • To fix the automobile fault code p202c, 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.
  • Ensure that everything is in good condition.
  • The estimated repair time for this fix is 1.0 hour.

The fault code P202C indicates a problem with the evaporative emission system pressure sensor. The diagnosis involves checking the sensor and its wiring for any faults. The estimated repair time for this fault code is 1.0 hour.

The fixing cost will depend on the hourly rate charged by the auto repair shop, which is typically between $75 and $150 per hour. Other factors that may influence the cost include the severity of the problem and the need for replacement parts.

The P202C code is related to the reductant tank heater control circuit. The tank temperature sensor is used to monitor the tank heater performance. If the tank temperature does not rise when the heater is activated, a fault is set.

The fault may require more than one drive cycle to complete the test.

What are the possible causes of the P202C automobile fault code?

If your engine light is on and you’re getting the P202C fault code, it could be due to a faulty Reductant Tank Heater, an open or shorted Reductant Tank Heater harness, or a poor electrical connection in the Reductant Tank Heater 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 Tank Heater?

If you’re experiencing an illuminated Engine Light or Service Engine Soon Warning Light, it could be due to a faulty Reductant Tank Heater. To fix this issue, start by checking the possible causes listed above. Visually inspect the wiring harness and connectors related to the Reductant Tank Heater, looking for any damaged components or broken, bent, pushed out, or corroded connector pins.

What should I do if I find damaged components or broken, bent, pushed out, or corroded connector’s pins during the inspection for the P202C fault code?

If you find damaged components or broken, bent, pushed out, or corroded connector’s pins during the inspection for the P202C fault code, you should replace or repair them as necessary. This will ensure that the Reductant Tank Heater circuit has a good electrical connection and will help to prevent the fault code from reoccurring. Remember to visually inspect the related wiring harness and connectors as well to ensure that they are in good condition.

p202c error fault code explained

If your engine light is on and the fault code is p202c, it may be due to a faulty reductant tank heater or poor electrical connection. To fix it, visually inspect the wiring harness and connectors for any damage or corrosion.

Check for broken or bent pins and damaged components.

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