P0776
PPowertrainPressure Control Solenoid B Performance/Stuck Off
What does this code mean?
Severity : HighP0776 indicates a performance problem with automatic transmission pressure control solenoid B, or the solenoid is stuck off. It modulates hydraulic pressure applied to certain internal clutches. The transmission control module sees that the pressure or gear obtained does not match what it commanded.
Symptoms
- Check engine or transmission light on.
- Harsh or delayed shifts.
- Slipping between gears.
- Transmission in limp mode in a single gear.
Possible causes
- Low or worn transmission fluid.
- Sticking or faulty pressure control solenoid B.
- Dirty valve body.
- Damaged transmission wiring or connector.
- Internal transmission wear.
Diagnosis and repair
- Check transmission fluid level and condition.
- Read transmission codes and watch pressures in live data.
- Inspect the transmission connector and wiring.
- Test solenoid B with a multimeter or through the scan tool.
- Replace the solenoid or service the valve body, then clear the code and run adaptations.
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Code
P0776
Category
Powertrain
Prefix
P
Standard
OBD-II / SAE J2012