P0776 on GMC ACADIA — Pressure Control Solenoid B Performance/Stuck Off

Q: "What does P0776 mean on a GMC ACADIA?"

"P0776 indicates: Pressure Control Solenoid B Performance/Stuck Off. This is a transmission code. 2 GMC ACADIA owners have reported this to NHTSA."

Q: "What are the most common causes of P0776 on GMC ACADIA?"

"Based on 2 NHTSA reports, the most commonly cited components are: Power Train. These percentages are based on the component field in owner complaints."

Q: "Is P0776 serious on my GMC ACADIA?"

"Of 2 NHTSA reports for this code on GMC ACADIA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my GMC ACADIA shows P0776?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P0776 Means on Your GMC ACADIA

P0776 is a diagnostic trouble code indicating: Pressure Control Solenoid B Performance/Stuck Off. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 GMC ACADIA owners have reported this issue to NHTSA across model years 2008. Most reports come from the 2008 model year. The most commonly reported component is Power Train (100.0% of reports).

Real GMC ACADIA Owner Reports

Source: NHTSA Complaints Database

"While driving, the vehicle began to idle sporadically. eventually, it started to idle and not shift into the next gear. finally, the check engine light came on. when took it to a repair shop determine the codes associated with the check engine light, and found p0700 and p0776 codes."

— 2008 GMC ACADIA owner · POWER TRAIN · Filed 04/11/2016

"While driving at about 45mph, the vehicle lost power to the wheels, the engine raced and the transmission appeared to fail. the vehicle was shut off, and restarted with only 1st and 2nd gear available and was moved to safety. the problem occurred at approximately 55,000 miles."

— 2008 GMC ACADIA owner · POWER TRAIN · Filed 05/12/2013

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'08

Common Causes on GMC ACADIA

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN 100%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0776 mean on a GMC ACADIA? ▾

P0776 indicates: Pressure Control Solenoid B Performance/Stuck Off. This is a transmission code. 2 GMC ACADIA owners have reported this to NHTSA.

What are the most common causes of P0776 on GMC ACADIA? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Power Train. These percentages are based on the component field in owner complaints.

Is P0776 serious on my GMC ACADIA? ▾

Of 2 NHTSA reports for this code on GMC ACADIA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my GMC ACADIA shows P0776? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.