P0776 on Gmc Acadia
Pressure Control Solenoid B Performance/Stuck Off
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Gmc Acadia context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0776.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
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.
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."
"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."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Gmc Acadia
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.