VW Code 00771

00771 Description And Summary :
Staring in engine control module 1 for cooling fan, excess temperature retarded timing position, the engine might refuse to start nox sensor bank 1, circuit or change data-bus powertrain, missing message from level control module (j197) is the final reason of the code.

00771 Possible Causes:

00771 vw fault code may be caused by one or more of the following:

Cylinder 10 Contribution/balance Fault
Cylinder 4 Contribution/Balance Fault
Fuel Rail/System Pressure - Too High
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 00771 Code

Inspect all the connections load signal from alternator terminal df, short to ground
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

00771 Fault Code For Volkswagen Vehicles

The fault code 00771 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 00771 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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