Engine-CodesBuick – P0776 Buick

P0776 Buick Code - Clutch Pressure Control Solenoid 2 Stuck Off

Quick Answer

The P0776 Buick code indicates that the Clutch Pressure Control Solenoid 2 is stuck off. Common causes include Malfunctioning clutch pressure control solenoid, Wiring issues or electrical connection problems, Low transmission fluid levels. 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
P0776 Buick indicates Clutch Pressure Control Solenoid 2 Stuck Off.
Common causes
Common causes include Malfunctioning clutch pressure control solenoid, Wiring issues or electrical connection problems, Low transmission fluid levels.
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.
Table of contents Created and updated by William Orellana on Sep 14, 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 P0776 Buick Description

The P0776 Buick code indicates that the Clutch Pressure Control Solenoid 2 is stuck off. This solenoid is a crucial component of the transmission system in automatic vehicles. It is responsible for controlling the hydraulic pressure that engages and disengages the clutch packs inside the transmission. When this solenoid is stuck off, it means that the transmission is not receiving the necessary pressure to operate correctly. This can lead to various issues with the vehicle's performance, including harsh shifting, delayed engagement, slipping gears, and even complete transmission failure.

OBDII Code P0776 Buick - Clutch Pressure Control Solenoid 2 Stuck Off
P0776 Buick Code - Clutch Pressure Control Solenoid 2 Stuck Off

Common Causes of P0776 Buick

  1. Malfunctioning clutch pressure control solenoid
  2. Wiring issues or electrical connection problems
  3. Low transmission fluid levels
  4. Faulty transmission control module
  5. Internal transmission damage

Symptoms of P0776 Buick

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Erratic transmission behavior
  4. Illuminated Check Engine Light
  5. Reduced fuel efficiency

How to Fix P0776 Buick

  1. Perform a diagnostic scan to confirm the P0776 code and identify the specific issue.
  2. Inspect the clutch pressure control solenoid 2 for proper operation and replace if necessary.
  3. Check the wiring and electrical connections for any damage or corrosion, repairing or replacing as needed.
  4. Verify the transmission fluid level and condition, topping up or performing a fluid flush if required.
  5. Test drive the vehicle to ensure proper transmission operation and clear the fault code from the system.

Cost to Fix P0776 Buick

The typical repair costs for addressing a P0776 Buick code can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops often offer lower rates. It's recommended to obtain local quotes for a more accurate estimate of the repair costs.

Tech Notes for P0776 Buick

When a transmission solenoid has malfunctioned, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is dirty, it's recommended to change the transmission fluid and if possible, remove the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a mechanical transmission failure, and that the transmission will need to be rebuilt or replaced.



There is a factory service bulletin for the following Buick Models:

2008-2009 Buick Enclave

2008-2009 Buick Enclave Factory Service Bulletin OBDII Code P0776

Need more information about the P0776 Buick code?

Need more information on how to fix the P0776 Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0776 Buick 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 P0776 Buick Code

No Frequently Asked Questions about P0776 Buick Code found.

Discuss the causes and fixes for P0776 Buick OBDII Code

Code P0776 Buick comments

No comments found for this page.