[SOLVED] P2222 Code: Fixing Nox Sensor Heater Circuit For Bank 2

If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to the P2222 fault code. This code indicates a problem with the Nitrogen Oxide (NOx) Sensor, which could be faulty or have a poor electrical connection.

The repair importance of this issue is high as it can affect the vehicle’s emissions and performance. The difficulty level of the repair is moderate, with a repair time of 1.0. To fix the issue, you should visually inspect the wiring harness and connectors for any damage or corrosion.

It’s essential to check for broken, bent, pushed out, or corroded connector’s pins.

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 p2222 fault code.

Here are the symptoms to look out for:

  • The P2222 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 a decrease in engine power, poor acceleration, rough idling, stalling, and difficulty starting the engine.
  • Additionally, the vehicle may experience reduced fuel efficiency, increased emissions, and a decrease in overall performance.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe driving conditions.

P2222 fault code can be caused by a faulty NOx sensor, open or shorted harness, or poor electrical connection.

  • The automobile fault code P2222 can be caused by a faulty Nitrogen Oxide (NOx) sensor.
  • It can also be caused by an open or shorted Nitrogen Oxide (NOx) sensor harness.
  • Additionally, a poor electrical connection in the Nitrogen Oxide (NOx) sensor circuit can also trigger this fault code.

To fix the p2222 fault code, check the possible causes and inspect the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P2222, 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 automobile fault code P2222 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the repair time, which is commonly charged between $75 and $150 per hour by most auto repair shops. Therefore, the total cost of fixing the P2222 fault code will depend on the hourly rate charged by the repair shop and the estimated repair time required to fix the issue.

The P2222 code is related to the Nitrogen Oxide (NOx) sensor in the exhaust system of a vehicle. The NOx sensor measures the amount of nitric oxide and nitrogen oxide in the exhaust system.

When the NOx sensor indicates that the storage capacity has been reached, the regeneration phase is initiated by the fueling management system.

The Powertrain Control Module (PCM) monitors the NOx sensor and sets the code when the NOx sensor circuit voltage reading is not within the normal operating threshold for a specific engine bank. The P2222 code specifically refers to the NOx Sensor Heater Sense Circuit RangePerformance Bank.

What are the possible causes of the P2222 automobile fault code?

If you’re experiencing the P2222 fault code, your engine light may be on. This could be due to a faulty Nitrogen Oxide (NOx) Sensor, an open or shorted NOx Sensor harness, or a poor electrical connection in the NOx Sensor circuit. To fix the issue, check the possible causes listed above, visually inspect the wiring harness and connectors, and look for any damaged components or corroded connector pins.

How can I visually inspect the related wiring harness and connectors to fix the P2222 fault code?

If you’re experiencing an Engine Light ON or Service Engine Soon Warning Light due to a P2222 fault code, it could be caused by a faulty Nitrogen Oxide (NOx) Sensor, an open or shorted NOx Sensor harness, or a poor electrical connection in the NOx Sensor circuit. To fix this issue, check the possible causes listed above and visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.

What are the signs of damaged components or broken, bent, pushed out, or corroded connector’s pins that I should look for when fixing the P2222 fault code?

If you’re fixing the P2222 fault code, you should look for signs of damaged components or broken, bent, pushed out, or corroded connector’s pins. This fault code is indicated by the engine light being on or the service engine soon warning light. The cause of this fault code could be a faulty Nitrogen Oxide (NOx) Sensor, an open or shorted NOx Sensor harness, or a poor electrical connection in the NOx Sensor circuit. To fix this issue, you should visually inspect the related wiring harness and connectors and check for any damaged components or connector’s pins.

p2222 error fault code explained

If your engine light is on and you have a P2222 fault code, it may be due to a faulty Nitrogen Oxide (NOx) sensor, an open or shorted NOx sensor harness, or a poor electrical connection. To fix it, visually inspect the wiring harness and connectors for damage or corrosion, and check for broken or bent pins.

Scroll to Top