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TransmissionSeverity Medium: diagnose soon

P0776Pressure Control Solenoid "B" Performance/Stuck Off

What it means

The pressure control solenoid "B" works electrically, but the transmission doesn't respond as expected (it behaves as if the solenoid stayed off or works slowly).

Symptoms

  • Harsh, late or missing shifts
  • Transmission stuck in one gear (limp mode)
  • Check engine or gearbox warning light

Common causes

  • Low or burnt transmission fluid
  • Sticking solenoid or valve in the valve body
  • Worn clutches or internal leaks
  • Wrong fluid type

What to check first

  1. Check fluid level and condition at the correct temperature
  2. Read adaptation values and slip data
  3. Inspect the valve body and solenoid screens
Can I drive with P0776? Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.

Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.

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P0776: questions and answers

What does P0776 mean?

P0776: Pressure Control Solenoid "B" Performance/Stuck Off. The pressure control solenoid "B" works electrically, but the transmission doesn't respond as expected (it behaves as if the solenoid stayed off or works slowly).

What are the symptoms of P0776?

Harsh, late or missing shifts. Transmission stuck in one gear (limp mode). Check engine or gearbox warning light.

What causes P0776?

Low or burnt transmission fluid. Sticking solenoid or valve in the valve body. Worn clutches or internal leaks. Wrong fluid type.

How do you diagnose P0776?

1. Check fluid level and condition at the correct temperature 2. Read adaptation values and slip data 3. Inspect the valve body and solenoid screens

Can I drive with P0776?

Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.