What is po777?
P0777 is a diagnostic trouble code (DTC) for “Pressure Control Solenoid B Stuck On”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
When is the p0777 OBD-II trouble code set?
When the P0777 OBD-II trouble code is set, the Powertrain Control Module (PCM) has detected a problem with the Transmission Pressure Control Solenoid “B”. Most automatic transmissions incorporate at least three solenoids that are solenoid A, B and C.
What are the symptoms of a car in limp mode?
Common symptoms of limp mode include: 1 Reduced power 2 Speed limited to 40 MPH. 3 Engine revolutions limited to 2000 or 3000 RPM. 4 Transmission won’t change gears (Stuck in 2nd or 3rd) 5 Very slow response when pressing the gas pedal 6 Check engine light on or flashing. 7 Engine may overheat
What does DTC p0777 mean for the solenoid?
Because DTC P0777 indicates the solenoid is stuck on or energized, you need to check for a short to voltage on the control circuit. Test the circuit with the key in the on position with the engine off.
What is the OBD code for pump pressure?
Related codes include P0775, P0776, P0778, and P0779. Utilizing calculations based on the position of the throttle, the amount of load on the engine, and engine and vehicle speed help in determining how much pump pressure is needed for the vehicle to operate efficiently.
When the P0777 OBD-II trouble code is set, the Powertrain Control Module (PCM) has detected a problem with the Transmission Pressure Control Solenoid “B”. Most automatic transmissions incorporate at least three solenoids that are solenoid A, B and C.
Where is the trouble code for limp mode?
Because of this, every time when the limp mode is active, there will be a stored trouble code in the trouble code memory. Therefore, the best solution to fix the limp mode without replacing the wrong parts is to find out which this trouble code is.
Common symptoms of limp mode include: 1 Reduced power 2 Speed limited to 40 MPH. 3 Engine revolutions limited to 2000 or 3000 RPM. 4 Transmission won’t change gears (Stuck in 2nd or 3rd) 5 Very slow response when pressing the gas pedal 6 Check engine light on or flashing. 7 Engine may overheat
Because DTC P0777 indicates the solenoid is stuck on or energized, you need to check for a short to voltage on the control circuit. Test the circuit with the key in the on position with the engine off.