AutoCodes – Chevrolet – P1762 2018 Chevrolet Silverado

P1762 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 300

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Transmission Mode Switch Signal Message - AutoCodes.com — P1762 2018 Chevrolet Silverado Code - Transmission Mode Switch Signal Message

What does this mean?

What are the Possible Causes of the DTC P1762 2018 Chevrolet Silverado?

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

How to Fix the DTC P1762 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

Need more information on how to fix the P1762 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 2018 Chevrolet Silverado Code

1. What does OBDII code P1762 on a 2018 Chevrolet Silverado indicate?

The code P1762 in a 2018 Chevrolet Silverado refers to a Transmission Mode Switch Signal Message error.

2. What are the common symptoms of OBDII code P1762 in a Chevrolet Silverado?

Common symptoms of code P1762 may include issues with shifting gears, erratic transmission behavior, and possible illumination of the Check Engine Light.

3. What are the potential causes of OBDII code P1762 in a 2018 Chevrolet Silverado?

Potential causes of code P1762 can include a faulty transmission mode switch, wiring issues, or a malfunction in the transmission control module.

4. How can I diagnose the OBDII code P1762 on my Chevrolet Silverado?

Diagnosing code P1762 may involve using a scan tool to read the error code, checking the transmission mode switch for proper function, and inspecting the wiring for any damage or loose connections.

5. Can I continue driving my Chevrolet Silverado with OBDII code P1762?

It is not recommended to continue driving your Silverado with an unresolved P1762 code, as it may lead to further transmission problems and potential safety risks.

6. How can I repair OBDII code P1762 on my 2018 Chevrolet Silverado?

Repairing code P1762 may involve replacing the transmission mode switch, repairing any damaged wiring, or addressing any issues with the transmission control module.

7. Is it safe to clear the OBDII code P1762 on my Chevrolet Silverado without fixing the underlying issue?

Clearing the code without addressing the root cause may temporarily turn off the Check Engine Light, but the issue may persist and lead to potential transmission problems down the line.

8. Can a DIY enthusiast fix OBDII code P1762 in a 2018 Chevrolet Silverado?

While some basic diagnostics can be done by DIY enthusiasts, resolving code P1762 may require specialized tools and expertise, so it's recommended to consult a professional mechanic.

9. Will fixing OBDII code P1762 on my Chevrolet Silverado be expensive?

The cost of fixing code P1762 can vary depending on the exact cause of the issue, but it's important to address it promptly to prevent any further damage to the transmission.

10. How often does OBDII code P1762 occur in a 2018 Chevrolet Silverado?

Code P1762 is relatively uncommon in a 2018 Chevrolet Silverado, but if it does occur, it should be addressed promptly to avoid potential transmission problems.