What is P0771 : Engine Error code Causes Explained
This Guide covers the P0771 engine error code, its meaning, causes, impacted automobiles, and risks. Understanding this code helps automobile owners see transmission difficulties and act quickly to prevent damage.
How to Identify a DTCs Number
Understand, this trouble codes (DTCs) are 5 characters: 1 letter, 4 numbers. P-Powertrain indicates the fault code’s location. Generic or manufacturer-specific codes are indicated by the first digit. The second digit denotes the subsystem (7=transmission). The last two numbers describe the issue.
o identify a DTC’s number like P0771, a diagnostic scan tool or OBD-II scanner is connected to the vehicle’s onboard diagnostic port, which reads the stored trouble codes from the ECM. The scanner will display the code, often accompanied by a brief description.
Causes of P0771 Error Code:
- Faulty Shift Solenoid E:
The solenoid itself may be failing, either mechanically or electrically. - Low or Contaminated Transmission Fluid:
Insufficient or dirty fluid can cause the solenoid to malfunction. - Electrical Issues:
A short or open circuit in the wiring harness for the shift solenoid E can lead to the code. - Transmission Valve Body Issues:
A faulty valve body or restricted hydraulic passages can also cause the code to be set. - Internal Transmission Problems:
Internal damage to the transmission itself can lead to a P0771 code. - Dirty Transmission Filter.
A clogged filter can restrict fluid flow, causing problems with solenoid operation. - Faulty Torque Converter.
A non functioning torque converter clutch can also cause the P0771 code.
Risk Level of P0771 Error Code:
The P0771 engine error code, which relates to the shift solenoid “B” performance in the transmission, is considered high risk because it can cause improper shifting, transmission slippage, or even prevent the vehicle from moving.
Immediate inspection and repairs are strongly recommended to prevent further damage and ensure vehicle safety.
Common Car Brands Affected by P0771 Code:
The P0771 code can affect various vehicles, it is most commonly associated with:
- Ford
- Volkswagen
- Honda
- Toyota
- Mazda
Video: P0771 Engine Error code
FAQ’s
What is P0771 Engine Error Code?
P0771 indicates a malfunction in the transmission’s shift solenoid “B” performance or circuit, affecting proper gear shifting and vehicle drivability.
What Causes of P0771 Engine Error Code?
Common causes include a faulty shift solenoid, transmission fluid issues, wiring problems, or a malfunctioning transmission control module.
What is the Risk Level of P0771 Engine Error Code?
The risk level is High, as it can lead to harsh shifting, transmission slippage, or complete transmission failure if ignored.
Which Vehicles Are Affected in P0771 Engine Error Code?
P0771 can appear in various vehicles with automatic transmissions, commonly seen in models from Ford, Volkswagen, Honda, Toyota and Mazda.