P0777

Pressure Control Solenoid B Stuck On

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Incorrect gear shifting
Switching delays
Dips during acceleration
Increased engine speed when switching
Check Engine light comes on

Causes

Jammed solenoid
Contaminated transmission fluid
Problems in the electrical control circuit
Solenoid wear
Transmission control module malfunction

How to Fix

Check the level and condition of the transmission fluid
Test the solenoid circuit
Clean or replace solenoid
If necessary, replace the solenoid block
Reset transmission adaptations

Related codes

P0775 P0776 P0778