Engine-Codes.com
Engine-Codes – GMC – P1762 2017 GMC Sierra

P1762 2017 GMC Sierra Code - Transmission Mode Switch Signal Message

Quick Answer

The P1762 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Transmission Mode Switch Signal Message. Common causes include Faulty transmission mode switch, Damaged wiring or connectors in the transmission circuit, Malfunctioning transmission control module (TCM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1762 2017 GMC Sierra indicates Transmission Mode Switch Signal Message.
Common causes
Common causes include Faulty transmission mode switch, Damaged wiring or connectors in the transmission circuit, Malfunctioning transmission control module (TCM).
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1762 2017 GMC Sierra Description

The P1762 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Transmission Mode Switch Signal Message. This code indicates that there is a problem with the signal being sent by the transmission mode switch to the vehicle's computer system. The transmission mode switch is responsible for informing the computer about the current gear selection, such as Park, Reverse, Neutral, Drive, etc. When this signal is not being received properly, it can lead to various issues with the transmission's operation.

OBDII Code P1762 2017 GMC Sierra - Transmission Mode Switch Signal Message
P1762 2017 GMC Sierra Code - Transmission Mode Switch Signal Message

Common Causes of P1762 2017 GMC Sierra

  1. Faulty transmission mode switch
  2. Damaged wiring or connectors in the transmission circuit
  3. Malfunctioning transmission control module (TCM)
  4. Transmission issues

Symptoms of P1762 2017 GMC Sierra

  1. Incorrect or delayed shifting
  2. Stuck in a particular gear
  3. Erratic transmission behavior
  4. Poor acceleration
  5. Inability to move

How to Fix P1762 2017 GMC Sierra

  1. Begin by using a scan tool to retrieve the trouble code and identify the specific issue.
  2. Inspect the transmission mode switch, wiring, and connectors for any visible damage or corrosion.
  3. Test the transmission mode switch using a multimeter to check for proper functionality.
  4. If the switch is faulty, replace it with a new one and ensure proper installation.
  5. Clear the trouble code from the vehicle's computer system and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P1762 2017 GMC Sierra

The typical repair costs for addressing the P1762 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, parts for this repair, such as a new transmission mode switch, can range from $50 to $200. Labor costs at auto repair shops typically range from $80 to $150 per hour. The total cost for this repair can therefore range from $150 to $500 or more, depending on the extent of the issue and the shop's labor rates. It is advisable to consult with a qualified mechanic or shop to obtain a more accurate estimate based on your specific vehicle and location.

Need more information about the P1762 2017 GMC Sierra code?

Need more information on how to fix the P1762 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1762 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1762 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code P1762 in a 2017 GMC Sierra?

The common symptoms of code P1762 include difficulty shifting gears, transmission slipping, and the transmission staying in a single gear.

2. What could cause the OBDII code P1762 in a 2017 GMC Sierra?

The code P1762 is typically triggered by a faulty transmission mode switch, damaged wiring in the transmission mode switch circuit, or a defective transmission control module.

3. How serious is OBDII code P1762 in a 2017 GMC Sierra?

Code P1762 should be addressed promptly as it can lead to further transmission issues if left unresolved. Ignoring this code may result in transmission failure and potentially costly repairs.

4. Can I continue driving my 2017 GMC Sierra with OBDII code P1762?

It is not recommended to continue driving your vehicle with code P1762 present, as it can cause further damage to the transmission. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose and repair OBDII code P1762 in my 2017 GMC Sierra?

Diagnosing code P1762 involves using a scan tool to retrieve the code and testing the transmission mode switch and related wiring for faults. Repair typically involves replacing the faulty transmission mode switch or repairing any damaged wiring.

6. Will resetting the OBDII code P1762 in my 2017 GMC Sierra fix the issue?

Simply resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing code P1762. It is important to diagnose and repair the root cause to prevent the code from reoccurring.

7. How much does it cost to repair OBDII code P1762 in a 2017 GMC Sierra?

The cost of repairing code P1762 can vary depending on the cause of the issue, the extent of the repair needed, and labor rates in your area. It is recommended to consult with a qualified mechanic for an accurate estimate.

8. Can a DIY enthusiast fix OBDII code P1762 in a 2017 GMC Sierra?

While some DIY enthusiasts may have the skills to diagnose and repair code P1762, it is a complex transmission-related issue that may require specialized tools and expertise. If you are not experienced in transmission repairs, it is best to seek professional help.

9. How long does it take to repair OBDII code P1762 in a 2017 GMC Sierra?

The repair time for code P1762 can vary depending on the extent of the issue and the availability of parts. In general, it may take a few hours to a full day to diagnose and repair the problem.

10. Can OBDII code P1762 cause other issues in a 2017 GMC Sierra?

Code P1762 primarily affects the transmission mode switch signal message, but if left unresolved, it can lead to more severe transmission problems such as gear slippage, harsh shifting, or complete transmission failure.

Discuss the causes and fixes for P1762 2017 GMC Sierra OBDII Code

Submit a New Comment

Code P1762 2017 GMC Sierra comments

No comments found for this page.