The P202A 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 increased emissions and reduced fuel efficiency. 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 p202a fault code. Here are the symptoms to look out for:

  • The P202A fault code in an automobile can cause several symptoms.
  • These include the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include reduced engine power, decreased fuel efficiency, rough idling, and difficulty starting the engine.
  • Additionally, the vehicle may experience stalling or hesitation during acceleration, 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 P202A automobile fault code can be caused by a faulty reductant tank heater, open or shorted harness, or poor electrical connection.

  • The automobile fault code P202A 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 p202a automobile fault code, check the possible causes and inspect related wiring harness and connectors for damage.

  • To fix the automobile fault code P202A, 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 P202A indicates a problem with the reductant injector circuit in the selective catalytic reduction system. The diagnosis involves checking the wiring, connectors, and the injector itself. The estimated repair time for this issue is 1.0 hour.

The cost of fixing this issue depends 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 severity of the problem, and the type of vehicle.

The P202A 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 will be set. Several consecutive short drive cycles may be required for the test to complete.

What are the possible causes of the P202A automobile fault code?

If your engine light is on and you’re seeing the P202A 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 P202A fault code?

If you find damaged components or broken, bent, pushed out, or corroded connector’s pins during the inspection for the P202A fault code, you should visually inspect the related wiring harness and connectors. Check for any possible causes listed above and fix them accordingly.

p202a 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 Tank Heater, open or shorted harness, or poor electrical connection.

Check the possible causes, inspect the wiring harness and connectors, and look for damaged components or corroded pins.

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