AutoCodes – GMC – P2763 2017 GMC Sierra

P2763 2017 GMC Sierra Code - Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit High Voltage

Quick Answer

The Torque Converter Clutch (TCC) pressure control solenoid is part of the control solenoid valve assembly which has no serviceable parts. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Control Solenoid Valve Assembly. 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: P2763 2017 GMC Sierra indicates Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit High Voltage.
Common causes: Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Control Solenoid Valve Assembly.
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 276

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 Mar 25, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2763 2017 GMC Sierra Description

The Torque Converter Clutch (TCC) pressure control solenoid is part of the control solenoid valve assembly which has no serviceable parts. The normally low TCC pressure control solenoid regulates oil pressure to the TCC regulator valve and TCC control valve. Increasing TCC pressure control solenoid oil pressure increases oil pressure to the torque converter to apply the clutch. The Transmission Control Module (TCM) varies the current to the TCC pressure control solenoid through a low-side driver. Increasing current to the TCC pressure control solenoid increases oil pressure by closing OFF the solenoid exhaust port. Decreasing current to the TCC pressure control solenoid decreases oil pressure by opening up the solenoid exhaust port. The TCC pressure control solenoid power is supplied by the Transmission Control Module through a high-side driver. The high-side driver protects the circuit and components from excessive current flow. If excessive current flow is detected, the high side driver will turn OFF. When the fault is corrected, the high-side driver will reset.
The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Module detects a short to voltage on the TCC pressure control solenoid valve control circuit for 1 s.

OBDII Code P2763 2017 GMC Sierra - Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit High Voltage - AutoCodes.com — P2763 2017 GMC Sierra Code - Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P2763 2017 GMC Sierra?

Low transmission fluid level
Dirty transmission fluid
Faulty Control Solenoid Valve Assembly
Control Solenoid Valve Assembly harness or connectors
Control Solenoid Valve Assembly circuit is open or shorted

How to Fix the DTC P2763 2017 GMC Sierra?

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 P2763 2017 GMC Sierra 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 P2763 2017 GMC Sierra code?

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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 P2763 2017 GMC Sierra Code

1. What does the OBDII code P2763 mean on a 2017 GMC Sierra?

P2763 indicates a high voltage issue in the Torque Converter Clutch (TCC) Pressure Control Solenoid Valve Control Circuit, which affects the transmission's ability to properly engage the torque converter clutch.

2. What are the common symptoms of code P2763 in a 2017 GMC Sierra?

Symptoms may include poor fuel efficiency, erratic or harsh shifting, transmission overheating, the inability to engage overdrive, and the check engine light illuminating.

3. What causes the P2763 code in a 2017 GMC Sierra?

Common causes include a malfunctioning TCC solenoid, damaged wiring or connectors in the circuit, a faulty transmission control module (TCM), or low/dirty transmission fluid.

4. How can I fix the P2763 code on my 2017 GMC Sierra?

Repairs may involve replacing the TCC solenoid, repairing or replacing damaged wiring or connectors, updating or replacing the TCM, or performing a transmission fluid flush and refill.

5. Can I drive my 2017 GMC Sierra with a P2763 code?

Driving with this code is not recommended, as it can lead to further transmission damage, reduced performance, and increased fuel consumption if not resolved promptly.

6. How do I diagnose the P2763 code on a 2017 GMC Sierra?

Start by scanning for codes and inspecting the TCC solenoid and its circuit for damage. Check the transmission fluid level and condition, and test the voltage and continuity of the control circuit.

7. Is the P2763 code a serious issue for a 2017 GMC Sierra?

Yes, it can be serious. Ignoring the code may result in severe transmission damage or failure, leading to costly repairs.

8. What is the role of the TCC solenoid in a 2017 GMC Sierra?

The TCC solenoid controls the engagement of the torque converter clutch, which locks the engine and transmission together for better fuel efficiency and performance at higher speeds.

9. How much does it cost to repair a P2763 code on a 2017 GMC Sierra?

Repair costs can vary widely, ranging from $150 to $500 or more, depending on whether it's a simple wiring repair, a solenoid replacement, or a more complex issue like TCM replacement.

10. Will clearing the P2763 code fix the problem on a 2017 GMC Sierra?

No, clearing the code without addressing the underlying issue will only temporarily remove the check engine light. The problem must be properly diagnosed and repaired to prevent the code from returning.