Causes and Fixes P0776 Code: Pressure Control Solenoid B Performance or Stuck Off

How to fix a P0776 Code: Pressure Control Solenoid B Performance or Stuck Off. A P0776 Code is set when the computer sees the transmission pressure control solenoid “B” is not working. Fixing a transmission can be difficult since there are often many small components. Be sure to get a diagram for your specific transmission to know where all the solenoids are located. Having the transmission fluid changed on a high-mileage transmission that has never been maintained can sometimes cause issues. Possible Causes of a P0776 Code: Low or Dirty Transmission Fluid Bad Pressure Control Solenoid “B” Wiring (Open/Short) Faulty Transmission (Bad Valve Body or other Mechanical Issues) Faulty Computer (PCM/TCM) By using this information user assumes all risk of use.