What is the fault code P0776? What is the description of Pressure Control Solenoid “B” Performance / Stuck Closed? How do I fix the P0776 fault code What are the symptoms and causes for the P0776 fault code
What is the P0776 Fault code? What does it all mean?
A P0776 code is an indication of a problem in the electronic pressure control solenoid, or related circuit. Automobiles equipped with automatic transmissions shift gears by using solenoids, which manage fluid pressure within hydraulic circuits. If the powertrain controller module (PCM), detects that this solenoid has stopped working or is stuck in the clutch, P0776 will trigger. “off” position.
The PCM monitors fluid level using data from different engine sensors. The PCM pre-programmes pressure values to suit vehicle driving conditions. These pressure values are essential for the efficient operation of your engine. This solenoid controls the fluid pressure to allow the automatic transmission to function properly. Based on the pressure in the solenoids, the PCM receives an electric signal. Shifter bands and clutches control the automatic transmission, which provides fluid pressure at the correct place and time. The P0776 fault code will be set if the liquid required is not equal to the amount available. This is a sign that the pressure control circuit “B” is not working properly or that the solenoid “off” is stuck.
Most automatic transmissions include at least three solenoids. These are A, B, or C. Fault codes P0776 to P0777 to P0778, P0777, PS0777, PS0778, PS0778, and PS0779. To identify the “B” solenoid circuit within your vehicle, consult specific repair manuals.
The P0776 fault code can affect vehicles of all makes and models, including but not limited to: Nissan, Lexus. Audi, Chevrolet. Duramax. Allison. Toyota. Cadillac. Acura. Mazda. Mitsubishi.
What causes the P0776 Fault code?
Below are some reasons to set fault code P0776:
- – Element “B” – A stuck or defective electronic pressure control solenoid
- – Blockage of transmission fluid passage lines
- – Gearbox mechanical failures (torque converter, clutch, etc.)
- Filter and transmission oil that is not clean
- – Transmission oil at a low level
- – Broken wires, loose connectors and open or short circuits
- – Defective transmission pump
- – Hydraulic control unit failure
- – Rarely, defective TCM or PCM
What are the P0776 Malfunction Code Symptoms
The code can lead to a number of symptoms. Sometimes drivers don’t notice any defects in their vehicles. Sometimes, however, all functions of the shift may be disabled. Your torque converter clutch may not engage or disengage. The vehicle might enter safe mode in some instances.
These symptoms may be present in vehicles with code P0776.
- Illumination of the check engine light
- – Delay or difficulty in shifting gears
- Vehicle stuck in any gear
- – Irregular gear changes
- Transmission slippage when changing gears
- – Gearbox overheating
- – Increased fuel consumption
- – Misfire-like symptoms
- – The vehicle enters failsafe mode, which allows one gear.
- – Other fault codes can be set
How do I fix the P0776 fault code?
Repairing this code can be dangerous if you replace the transmission pump at high pressure instead of looking for the problem with the wiring or solenoid.
There are several repairs that can resolve the P0776 fault code.
- – Replacing the defective “B” electronic control solenoid
- Flushing clogged transmission fluid passagelines
- – Change dirty transmission fluid or filter
- – Top up your transmission fluid
- – Repairing and replacing damaged connectors and cables
- Repair of shorted or open cables
- – Repair of gearbox mechanical problems
- Repairing a damaged transmission pump
- – Replacing an inoperable hydraulic control unit
- – In rare cases, replacement of TCM or PCM
How Serious Is the P0776 Fault Coding?
This code is considered moderately severe, but can quickly escalate to more severe levels if it is not addressed promptly. An error code P0776 could cause serious problems with your driveability.
