P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure

As a car expert, I understand how frustrating it can be when your car starts acting up. One common issue that many car owners face is the P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure. This problem can cause your car to shift poorly or not shift at all, making it difficult to drive. In this article, I will provide you with a step-by-step guide on how to fix this issue and get your car back on the road.

What is the P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure?

The P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure is a diagnostic trouble code that indicates a problem with the automatic transmission hall effect sensor power circuit. This sensor is responsible for monitoring the speed of the transmission output shaft and sending that information to the engine control module (ECM). When the ECM receives this information, it uses it to determine when to shift gears.

Step-by-Step Guide to Fixing the P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure

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Step 1: Locate the Hall Effect Sensor

The first step in fixing the P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure is to locate the hall effect sensor. This sensor is typically located on the side of the transmission and is held in place by a bolt.

Step 2: Remove the Sensor

Once you have located the sensor, you will need to remove it from the transmission. To do this, you will need to use a socket wrench to remove the bolt that is holding the sensor in place. Once the bolt is removed, you should be able to pull the sensor out of the transmission.

Step 3: Inspect the Sensor

After you have removed the sensor, you should inspect it for any signs of damage or wear. If the sensor is damaged or worn, you will need to replace it with a new one.

Step 4: Install the New Sensor

If you need to replace the sensor, you will need to install the new one in its place. To do this, simply insert the new sensor into the transmission and tighten the bolt to secure it in place.

Step 5: Clear the Error Code

Once you have installed the new sensor, you will need to clear the error code from the ECM. To do this, you will need to use an OBD-II scanner to reset the system. This will clear the error code and allow your car to shift properly again.

Useful Tips for Fixing the P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure

– Always disconnect the battery before working on your car’s electrical system.
– Make sure you have the correct tools before starting the repair.
– If you are unsure about any step in the process, consult a professional mechanic.

Conclusion

The P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure can be a frustrating problem to deal with, but with the right tools and knowledge, it can be fixed. By following the step-by-step guide provided in this article, you can get your car back on the road and running smoothly again.

FAQs

1. Can I drive my car with the P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure?

It is not recommended to drive your car with this issue as it can cause further damage to your transmission.

2. How much does it cost to fix the P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure?

The cost of fixing this issue can vary depending on the make and model of your car and the severity of the problem. It is best to consult a professional mechanic for an accurate estimate.

3. How can I prevent the P1879 Transmission Automatic Hall Effect Sensor Power Circuit Failure from happening again?

Regular maintenance and inspections of your car’s transmission can help prevent this issue from happening again. It is also important to address any transmission problems as soon as they arise to prevent further damage.