Troubleshooting Transmission Range Sensor Issues in Ford, Dodge, GMC, and Chevy Trucks

Recognizing the Signs of a Faulty Transmission Range Sensor

Experiencing Erratic Shifting or Unexpected Transmission Behavior?

In your Ford, Dodge, GMC, or Chevy truck? These symptoms could point to an issue with your transmission range sensor (TRS).

Understanding the Symptoms:

• Erratic Shifting: This can indicate that the TRS isn't accurately communicating the current gear position, causing confused shifting patterns.

• Transmission Slipping: This happens when the TRS fails to register gear engagement, resulting in a loss of power and acceleration.

• Check Engine Light: An illuminated Check Engine Light often accompanies a faulty TRS, prompting you to investigate further.

• Transmission Warning Light: Some vehicles may even display a dedicated transmission warning light when a problem with the TRS is detected.

Diagnosing the Problem:

1. Scan for Trouble Codes: Use a scan tool to retrieve diagnostic trouble codes (DTCs) related to the transmission. Common codes associated with a malfunctioning TRS include P0705, P0706, P0708, and P0822. The specific code will guide your diagnosis further.

2. Verify the TRS Connections: Inspect the wiring harness and connections to the TRS. Look for signs of damage, loose connections, or corrosion. Sometimes, a simple cleaning or reconnection of the TRS connector might resolve the issue.

3. Perform Electrical Checks: If the wiring appears intact, use a multimeter to measure the resistance of the TRS according to your vehicle's service manual. This helps determine if the sensor itself has malfunctioned and needs replacement.

4. Observe Transmission Behavior: Take your truck for a test drive while observing its transmission behavior. Pay close attention to the gear shifts and engine response, noting any irregularities. If unusual noises or vibrations manifest during specific gearshifts, it adds clues to the diagnosis.

Taking Action

Remember: A correctly functioning transmission range sensor is crucial for smooth gear transitions in your Ford, Dodge, GMC, or Chevy truck. By carefully following these diagnostic steps, you can identify the source of the problem and take appropriate action to restore optimal transmission performance.

Here are your options:

DIY Repair:

If you're comfortable tackling the repair yourself, consult your vehicle's service manual for detailed instructions on testing and replacing the TRS specific to your truck model. Ensure the replacement part matches your truck's specifications.

Professional Assistance:

Due to the intricacies involved, consider professional help if you're not comfortable tackling the repair yourself. A trained mechanic at Truck Transmission Specialist (TTS) can efficiently diagnose the problem and implement the necessary fix.

Don't let transmission problems keep you off the road. Contact Truck Transmission Specialists today for all your truck transmission needs. We offer expert diagnostics, repairs, and rebuilds for Ford, Dodge, GMC, and Chevy trucks.

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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