If you see the engine light on or the service engine soon warning light, it could be due to the P1938 fault code. This code indicates a problem with the brake switchsensor, its harness, or the circuit’s electrical connection. To fix this issue, you need to visually inspect the wiring harness and connectors for any damage or corrosion.

The repair time for this issue is around 1.0, and it’s essential to address it promptly to avoid any further damage. Understanding the fault code and its possible causes can help you diagnose and fix the problem quickly.

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 p1938 fault code. Here are the symptoms to look out for:

  • The P1938 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 a decrease in fuel efficiency or a loss of power while driving.
  • Additionally, the car may emit unusual noises or vibrations, and the engine may stall or fail to start altogether.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The automobile fault code P1938 can be caused by a faulty brake switchsensor, open or shorted harness, or poor electrical connection.

  • The automobile fault code P1938 can be caused by a faulty brake switch/sensor.
  • It can also be caused by an open or shorted brake switch/sensor harness.
  • Additionally, a poor electrical connection in the brake switch/sensor circuit can also trigger this fault code.

To fix the p1938 automobile fault code, check the possible causes and inspect the related wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code P1938, 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 is P1938. The estimated repair time is 1.0 hour. The cost of fixing the fault code is influenced by the repair time.

Most auto repair shops charge between $75 and $150 per hour. Therefore, the fixing cost of P1938 will be between $75 and $150.

The P1938 code is a generic description for Brake SwitchSensor Signal.

However, the manufacturer may have a different description for your vehicle’s model and year. Unfortunately, we do not have any further information about this OBDII code at this time. If you have any questions, please feel free to post them in the comments section below for more information.

What are the possible causes of the P1938 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the P1938 fault code. This code is usually caused by a faulty brake switch/sensor, an open or shorted brake switch/sensor harness, or a poor electrical connection in the brake switch/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.

How can I visually inspect the related wiring harness and connectors to fix the P1938 fault code?

If you’re experiencing the P1938 fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, you may have a faulty Brake Switch/Sensor, an open or shorted Brake Switch/Sensor harness, or a poor electrical connection in the Brake Switch/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. This will help you identify any issues and determine the best course of action to take.

What are the signs that the Brake Switch/Sensor circuit has a poor electrical connection causing the P1938 fault code?

If the Brake Switch/Sensor circuit has a poor electrical connection causing the P1938 fault code, the engine light or service engine soon warning light will turn on. The cause of this issue could be a faulty brake switch/sensor, an open or shorted brake switch/sensor harness, or a poor electrical connection in the brake switch/sensor circuit. To fix this problem, 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.

p1938 error fault code explained

If your engine light is on and you have a P1938 fault code, it could be due to a faulty brake switchsensor, an open or shorted brake switchsensor harness, or a poor electrical connection. To fix it, visually inspect the wiring harness and connectors for damage and check for broken, bent, pushed out, or corroded connector pins.

Scroll to Top