The Lemon IndexTransmission pressure solenoid B is stuck on.
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
Stuck solenoid. Then: dirty fluid.
Owners named P0777 in 17 complaints to the U.S. government, most often on the Jeep Patriot.
Cars owners report it on
Complaints that name P0777, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2008 Saturn Vue · 2016 Jeep Patriot
Transmission problems by year: Jeep Patriot · Honda Pilot
The details
What P0777 means
Transmission pressure solenoid B is stuck on.
Can I drive with P0777?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
29% of the owner complaints that name P0777 also say the car transmission slips or shifts hard. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0777
- Stuck solenoid
- Dirty fluid
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Transmission slips or shifts hard: 29% of complaints
- Loses power or goes into limp mode: 29% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0777 most
2008 Saturn Vue (3), 2016 Jeep Patriot (2).
Related codes
P0776 P0775 P0770 P0780 P0785 P0766 P0765 P0761
Quick answers
What does P0777 mean?
Pressure Control Solenoid B Stuck On. Transmission pressure solenoid B is stuck on.
Can I drive with P0777?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
What causes P0777?
Stuck solenoid; Dirty fluid.
Counts: NHTSA owner complaints whose text names P0777. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.