The second pressure control solenoid is not regulating properly. Often felt as one specific gear slipping or refusing to engage.
P0776 — also written PO776, P 0776, 0776 — is the OBD-II code for pressure control solenoid 'b' performance / stuck off. Same code, same fix: this page covers every spelling of it.
P0776 is a transmission fault code, typically costing £250–£2200 to put right in a UK garage.
What causes P0776?
- Sticking solenoid
- Dirty fluid and blocked filter
- Valve body wear
- Internal clutch wear
How P0776 is fixed
- Check fluid condition first — burnt fluid tells you a lot
- Solenoid or valve body replacement
- Full service with correct fluid volume and temperature procedure
P0776 repair cost in the UK
Most P0776 repairs land between £250–£2200 including parts and labour. The spread is wide because the cheap fix (a sensor, a hose, a leak) and the expensive fix (a major component) throw the same code — which is why a proper diagnosis before parts are bought saves the most money.
Can you drive with P0776?
Short distances only, gently.
Urgency: high.