Fault codes › P0777
P0777
Pressure Control Solenoid B Stuck On
Generic code
Transmission System
High severity
Hard repair
Free on OBD DashX
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iWhat P0777 means
- The fault code P0777 indicates that there is an issue with the pressure control solenoid B which is stuck in the on position. This may cause the transmission to shift poorly or not at all.
!Possible symptoms
- Harsh or delayed shifts
- Slipping transmission
- Reduced fuel efficiency
- Illuminated check engine light
- Transmission stuck in a single gear
?Possible causes
- Failed pressure control solenoid
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed transmission control module (TCM)
⚙Related parts
- Pressure Control Solenoid: This solenoid regulates the oil flow in the transmission. Problems with this solenoid lead to engine misfire, poor fuel economy, poor acceleration
✓Possible solutions
- Replace the pressure control solenoid
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the transmission control module (TCM) if necessary