P0965
PowertrainTransmission Solenoidhigh severityPressure Control Solenoid "B" Control Circuit Range/Performance
What P0965 Means
The pressure control solenoid B is operating outside its expected range. Commanded and actual line pressure do not match.
Symptoms
- Delayed or harsh shifts
- Poor shift quality
- Transmission overheating
Common Causes
- Failing pressure control solenoid B
- Degraded transmission fluid
- Wiring resistance or intermittent fault
- Faulty TCM/PCM
Diagnostic Steps
- Check fluid level and condition
- Review live pressure data and freeze frame
- Test solenoid response and resistance
- Service fluid or replace solenoid
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