[SOLVED] P2207 Code: High Voltage Nox Sensor 1 Heater – Fix Now!

The P2207 fault code in automobiles indicates a problem with the Nitrogen Oxides (NOx) Sensor. The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light. The cause of this fault code could be a faulty NOx sensor, an open or shorted NOx sensor harness, or a poor electrical connection in the NOx sensor circuit.

The repair importance is high as it affects the vehicle’s emissions and performance. The repair difficulty is moderate, and the repair time is estimated at 1.0 hour. To fix the issue, one should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector pins.

It is essential to interpret the fault code correctly to ensure the proper repair of the vehicle.

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 p2207 fault code. Here are the symptoms to look out for:

  • The P2207 fault code in automobiles can cause the following symptoms: Engine Light ON, Service Engine Soon Warning Light, decreased fuel efficiency, rough idling, engine stalling, difficulty starting the engine, and decreased engine power.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

P2207 fault code can be caused by a faulty NOx sensor, open or shorted harness, or poor electrical connection.

  • The automobile fault code P2207 can be caused by a faulty Nitrogen Oxides (NOx) sensor.
  • It can also be caused by an open or shorted Nitrogen Oxides Sensor harness.
  • Additionally, a poor electrical connection in the Nitrogen Oxides Sensor circuit can also trigger this fault code.

To fix the p2207 fault code, check the possible causes and inspect the wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code P2207, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for 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 fault code P2207 indicates a problem with the NOx sensor circuit range or performance. The estimated repair time for this fault code is 1.0 hour.

The cost of fixing this fault code is influenced by the hourly rate charged by the auto repair shop, which is typically between $75 and $150 per hour.

Other factors that may affect the cost include the severity of the problem, the type of vehicle, and the availability of replacement parts.

The P2207 code is related to the NOx sensors in diesel engines. There are two NOx sensors, one upstream and one downstream of the selective catalytic reduction system.

The NOx sensors are connected to the control module via CAN and all information is exchanged through it. The NOx sensor contains a sensing cell, a pumping cell, and a heater. The NOx sensor maintains a constant reference voltage across the sensing cell.

The ECM sets a DTC when a serial data message is received from the NOx sensor module. The P2207 code is set when the NOx Sensor 1 Heater Control Circuit has a high voltage for more than 2 seconds.

What are the possible causes of the P2207 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the P2207 fault code. This code is usually caused by a faulty Nitrogen Oxides (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 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 related wiring harness and connectors to fix the P2207 fault code?

If you’re experiencing the P2207 fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, you may have a faulty Nitrogen Oxides (NOx) Sensor, an open or shorted Nitrogen Oxides Sensor harness, or a poor electrical connection in the Nitrogen Oxides Sensor circuit. 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.

What are the consequences of ignoring the P2207 fault code?

Ignoring the P2207 fault code, which indicates a faulty Nitrogen Oxides (NOx) sensor or related wiring issues, can lead to serious consequences such as reduced fuel efficiency, increased emissions, and potential damage to the catalytic converter. 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.

p2207 error fault code explained

If your engine light is on and showing P2207, it could be due to a faulty Nitrogen Oxides (NOx) Sensor, an open or shorted Nitrogen Oxides 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