AutoCodes – Chevrolet – P1762 Chevrolet

P1762 Chevrolet Code - Transmission Mode Switch Signal Message

Quick Answer

The Body Control Module (BCM) is constantly sending the Engine Control Module (ECM) and Transmission Control Module (TCM) serial data messages with information regarding transmission mode switch activation. Common causes include Faulty Transmission Control Module (TCM), Faulty Body Control Module (BCM). 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 Chevrolet indicates Transmission Mode Switch Signal Message.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Faulty Body Control Module (BCM).
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.

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Code Popularity 4,726

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 29, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1762 Chevrolet Description

The Body Control Module (BCM) is constantly sending the Engine Control Module (ECM) and Transmission Control Module (TCM) serial data messages with information regarding transmission mode switch activation. The TCM sets this code when it detects a discrepancy in the structure of the message causing the signal message integrity to be questioned. The Diagnostic Trouble Code (DTC) is set when the TCM detects an error in the rolling count value that does not match with the BCM.

OBDII Code P1762 Chevrolet - Transmission Mode Switch Signal Message - AutoCodes.com — P1762 Chevrolet Code - Transmission Mode Switch Signal Message

What does this mean?

What are the Possible Causes of the DTC P1762 Chevrolet?

Faulty Transmission Control Module (TCM)
Faulty Body Control Module (BCM)

How to Fix the DTC P1762 Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1762 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1762 Chevrolet code?

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

Need Help with the Code?

Get the P1762 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

P1762 2014 Chevrolet Silverado — Transmission Mode Switch Signal Message
P1762 2015 Chevrolet Silverado — Transmission Mode Switch Signal Message
P1762 2016 Chevrolet Silverado — Transmission Mode Switch Signal Message
P1762 2017 Chevrolet Silverado — Transmission Mode Switch Signal Message
P1762 2018 Chevrolet Silverado — Transmission Mode Switch Signal Message

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 Chevrolet Code

1. What are the common symptoms of OBDII code P1762 in a Chevrolet related to the Transmission Mode Switch Signal Message?

- Common symptoms include difficulty shifting gears, harsh shifting, and the transmission staying in one gear.

2. What can cause the OBDII code P1762 in a Chevrolet to trigger?

- The code can be triggered by a faulty transmission mode switch, wiring issues, or a malfunction in the transmission control module.

3. How can I diagnose the OBDII code P1762 in a Chevrolet?

- Diagnosing the code involves checking the transmission mode switch for proper operation, inspecting the wiring for any damage, and using a scan tool to retrieve diagnostic trouble codes.

4. Can I still drive my Chevrolet with the OBDII code P1762 present?

- It is not recommended to drive the vehicle with the code present, as it can lead to further damage to the transmission if left unresolved.

5. What are some repair tips for fixing the OBDII code P1762 in a Chevrolet?

- Repair tips include replacing the transmission mode switch if faulty, repairing any damaged wiring, and resetting the error codes after making the necessary repairs.

6. Is it possible to clear the OBDII code P1762 in a Chevrolet without fixing the underlying issue?

- Clearing the code without fixing the underlying issue may temporarily turn off the check engine light, but the problem will likely resurface if not properly addressed.

7. How serious is the OBDII code P1762 in a Chevrolet?

- The code is considered serious as it affects the transmission's ability to shift properly, potentially leading to transmission damage if not fixed promptly.

8. Can I fix the OBDII code P1762 in a Chevrolet myself, or do I need to take it to a mechanic?

- Depending on your level of automotive repair experience, you may be able to fix the issue yourself by following diagnostic procedures and making the necessary repairs. However, if you are unsure, it is recommended to seek the help of a qualified mechanic.

9. Are there any recalls or technical service bulletins related to the OBDII code P1762 in Chevrolet vehicles?

- It is advisable to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins related to the specific OBDII code in your vehicle.

10. How can I prevent the OBDII code P1762 from occurring in my Chevrolet in the future?

- Regular maintenance of your vehicle, including checking the transmission system for any issues, can help prevent the occurrence of the OBDII code P1762.