P0777 on Jeep Patriot
Pressure Control Solenoid B Stuck On
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Jeep Patriot 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 P0777.
- 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 P0777 Means on Your Jeep Patriot
P0777 is a diagnostic trouble code indicating: Pressure Control Solenoid B Stuck On. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Jeep Patriot Owner Reports
Source: NHTSA Complaints Database
"Car is unable to transfer to higher gears. error code p0730 and p0777. 84k miles. two shops stating new transmission needed."
"Tl* the contact owns a 2013 jeep patriot. the contact stated that while attempting to traverse a hill, the transmission failed to shift as intended. the contact stated that the vehicle started to overheat and the speed was reduced independently."
"Vehicle stalled with no warning signs while i was driving and went into limp mode, took it to a jeep dealer to check it out. they say the jeep needs a whole new transmission. will not drive at all but has power. only has 112,000."
"Code p0777 pressure control solenoid b stuck on car is not going into gears now. first, it would only go into reverse. but, nothing now."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Jeep Patriot
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.