Diagnostic Trouble Code
P0775 — Pressure Control Solenoid B — Malfunction
Pressure Control Solenoid B — Malfunction
Definition
The TCM has detected a problem with pressure control solenoid B inside the transmission valve body. This solenoid regulates hydraulic pressure for specific gear ranges, and its failure can cause harsh or delayed shifts.
Common Causes
- Failed pressure control solenoid B
- Contaminated transmission fluid blocking the solenoid
- Wiring fault between TCM and solenoid
- Internal valve body wear or damage