[SOLVED] P1900 Code: How To Fix Intermittent Output Shaft Speed Circuit

The P1900 automobile fault code indicates an issue with the Output Shaft Speed (OSS) sensor. This can cause the engine light to turn on, indicating a problem that needs to be addressed.

The cause of this fault code could be due to a faulty sensor, an improperly installed OSS, or a poor electrical connection in the sensor circuit. It is important to visually inspect the wiring harness and connectors for any damage or corrosion. The repair time for this issue is estimated to be around 1.0, making it a relatively quick fix.

If you encounter this fault code, it is crucial to address it promptly to avoid any further damage to your 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 due to the p1900 fault code. Here are the symptoms to look out for:

  • The P1900 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 issues with the transmission, such as difficulty shifting gears or the transmission slipping.
  • The vehicle may also experience reduced power or acceleration, and the engine may stall or hesitate during operation.
  • Additionally, the vehicle may experience rough idling or poor fuel economy.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The P1900 fault code in automobiles can be caused by various factors, including improper OSS installation and faulty sensors.

  • The automobile fault code P1900 can be caused by several factors.
  • These include the Output Shaft Speed (OSS) not being installed properly, a faulty Output Shaft Speed sensor, an open or shorted Output Shaft Speed sensor harness, and a poor electrical connection in the Output Shaft Speed sensor circuit.
  • It is important to address these issues promptly to prevent further damage to the vehicle.

Below are the possible fixes for the automobile fault code p1900, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code P1900, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors for any damage.
  • Look 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 P1900 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour. Therefore, the total cost of diagnosis and fixing the P1900 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time.

The P1900 fault code is related to the Output Shaft Speed (OSS) sensor in a vehicle.

The OSS sensor provides information to the Powertrain Control Module (PCM) about the rotational speed of an output shaft. The PCM uses this information to control and diagnose powertrain behavior, and in some cases, the sensor is also used as the source of vehicle speed.

The P1900 code is triggered when the OSS sensor signal to the PCM is irregular or interrupted, indicating an intermittent malfunction in the output shaft speed circuit.

What are the possible causes of the P1900 automobile fault code?

If you’re experiencing the P1900 fault code, your engine light may be on. This could be due to a faulty Output Shaft Speed (OSS) sensor, an improperly installed OSS, or a poor electrical connection in the sensor circuit. To fix the issue, inspect the wiring harness and connectors for any damage or corrosion, and check for broken or bent pins.

How can I fix the P1900 automobile fault code?

If you’re experiencing the P1900 fault code, which is indicated by the engine light being on, there are a few possible causes. It could be due to the Output Shaft Speed (OSS) not being installed properly, a faulty Output Shaft Speed sensor, an open or shorted Output Shaft Speed sensor harness, or a poor electrical connection in the Output Shaft Speed 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.

What should I visually inspect to troubleshoot the P1900 automobile fault code?

If you’re experiencing the P1900 fault code, start by checking the engine light or service engine soon warning light. The cause could be a faulty output shaft speed sensor, an improperly installed OSS, or a poor electrical connection in the output shaft speed sensor circuit. To fix the issue, visually inspect the wiring harness and connectors for any damage or corrosion. Check for broken, bent, pushed out, or corroded connector pins.

p1900 error fault code explained

If your engine light is on due to the P1900 fault code, check the Output Shaft Speed sensor and its wiring harness for any damage or poor electrical connection. Look for broken, bent, pushed out, or corroded connector’s pins.

Fix any issues found to resolve the problem.

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