Detecting a Faulty Transmission Output Speed Sensor in Your Chevy Truck: Key Indicators to Watch For

Faulty Transmission Output Speed Sensor in Your Chevy Truck? Here's What to Look For

Understanding the Transmission Output Speed Sensor (TOSS)

The TOSS is a small but mighty sensor that plays a crucial role in the smooth operation of your Chevy truck's automatic transmission. It constantly monitors the output shaft speed of your transmission and sends this data to the transmission control module (TCM). The TCM uses this information to determine the appropriate shift points, ensuring optimal performance and fuel efficiency.

Signs Your Chevy's TOSS Might Be Failing:

A failing TOSS can disrupt your driving experience and potentially lead to more serious transmission problems down the road. Here are some common warning signs to watch out for:

• Erratic Shifting: This might manifest as harsh or delayed gear changes, making for a bumpy and unpredictable ride. Your truck might feel hesitant to shift or even abruptly downshift when it's not expected.

• Check Engine Light: If your truck's Check Engine Light illuminates, particularly with a diagnostic trouble code (DTC) P0720 stored, it's a strong indication of a potential TOSS problem.

• Decreased Fuel Economy: A faulty TOSS can disrupt the transmission's ability to shift gears optimally, leading to increased fuel consumption. If you notice a sudden drop in your gas mileage, a bad TOSS could be the culprit.

• Unexpected Stalling: In some cases, a failing TOSS can send incorrect signals to the TCM, potentially causing your truck to stall unexpectedly, especially at low speeds or when coming to a stop.

• Inaccurate Speedometer Readings: Since the TOSS plays a role in measuring vehicle speed, a faulty sensor can lead to inaccurate speedometer readings.

Don't Ignore the Signs!

If you notice any of these symptoms in your Chevy truck, don't hesitate to get it checked out by a qualified transmission specialist. Addressing a faulty TOSS promptly can potentially save you from more costly transmission repairs in the future.

TTS is Here to Help

At Truck Transmission Specialists, we understand the vital role a properly functioning transmission plays in your truck's overall performance and your peace of mind. If you're experiencing transmission troubles, our team of expert technicians is here to help. We specialize in rebuilding and repairing transmissions for a wide range of trucks, including Chevrolet.

Visit prebuilttrans.com to learn more about our services or to schedule an appointment or call +1 385-462-8458 for more info! We're dedicated to keeping your pick-up truck running in tip-top shape!

Disclaimer: This blog post is intended for informational purposes only and should not be interpreted as professional advice. Always consult with a qualified mechanic or transmission specialist for specific recommendations regarding your vehicle.

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