P0966: Pressure Control Solenoid B Control Circuit Low
What Does P0966 Mean?
P0966 is a diagnostic trouble code indicating: Pressure Control Solenoid B Control Circuit Low. This code relates to the transmission system. It has been reported in NHTSA complaints across 1 different vehicle models.
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"TODAY IN THE MORNING, I WAS DRIVING ON THE HIGHWAY TO WORK AND AS I WAS DRIVING AT ABOUT 45 MPH, I HEARD A CLUNK SOUND UNDER THE CAR AND THE ENGINE LIGHT CAME ON. I SLOWED DOWN AND STOPPED AT A TRAFFIC LIGHT AND THEN I BEGIN TO DRIVE AGAIN AND I NOTICED THAT MY CAR WAS DRIVING AT A HIGH RPM AND IT"
— Chevrolet Camaro owner, 07/12/2019
Source: NHTSA Complaints Database
Most Reported Vehicles for P0966
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | CHEVROLET CAMARO |
Frequently Asked Questions
Is it safe to drive with this transmission code?
Do I need a full transmission rebuild?
How much does a transmission repair cost?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Check transmission fluid level and condition; top off or change if needed
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.