AutoCodes – Chevrolet – P1762 2017 Chevrolet Silverado

P1762 2017 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 2017 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 242

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 2017 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 2017 Chevrolet Silverado - Transmission Mode Switch Signal Message - AutoCodes.com — P1762 2017 Chevrolet Silverado Code - Transmission Mode Switch Signal Message

What does this mean?

What are the Possible Causes of the DTC P1762 2017 Chevrolet Silverado?

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

How to Fix the DTC P1762 2017 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 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the P1762 2017 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 2017 Chevrolet Silverado Code

1. What does OBDII code P1762 mean on a 2017 Chevrolet Silverado?

Code P1762 indicates an issue with the Transmission Mode Switch Signal Message, which is often related to communication or electrical problems involving the transmission control system.

2. What are the common symptoms of code P1762 in a 2017 Chevrolet Silverado?

Common symptoms include the check engine light turning on, erratic transmission behavior, failure to change driving modes (e.g., Tow/Haul mode), or reduced vehicle performance.

3. What causes the P1762 code to appear in my 2017 Silverado?

Potential causes include a faulty transmission mode switch, damaged wiring or connectors, a malfunctioning transmission control module (TCM), or communication issues between the TCM and other control modules.

4. Can I still drive my 2017 Silverado with a P1762 code?

While the vehicle may still be drivable, ignoring the code can lead to further transmission issues or reduced performance, so itâ€™s best to address it promptly.

5. How do I diagnose the P1762 code in my Silverado?

Diagnose the issue by using an OBDII scanner to confirm the code, inspecting the wiring and connectors for damage, and testing the transmission mode switch and related circuits for proper functionality.

6. How do I fix the P1762 code on a 2017 Chevrolet Silverado?

Repairs may include replacing the transmission mode switch, repairing damaged wiring or connectors, or reprogramming/updating the transmission control module.

7. What is the transmission mode switch, and why is it important?

The transmission mode switch allows the driver to select specific driving modes, such as Tow/Haul. A malfunction can hinder the ability to use these modes, affecting vehicle performance.

8. Is the P1762 code specific to the 2017 Chevrolet Silverado?

No, P1762 can appear on other vehicles, but the exact meaning and troubleshooting steps may vary depending on the make and model.

9. Does a P1762 code always require a new transmission mode switch?

Not necessarily. The issue could also be related to wiring, connectors, or the TCM, so diagnosing the root cause is essential before replacing any parts.

10. Can a software update fix the P1762 code in a 2017 Silverado?

In some cases, a software update for the transmission control module may resolve the issue if itâ€™s caused by a programming glitch. Consult a dealership or qualified technician for confirmation.