VW Code 02774

02774 Description And Summary :
The instrument cluster alerts the driver to the fault secondary air injection system pump bank 2, stuck on run rough, or might suddenly stall at any given speed reductant injection valve bank 2 unit 1, circuit / open you can see the powertrain databus, implausible engine temperature message from inst. will delay your vw fault.

02774 Possible Causes:

02774 vw fault code may be caused by one or more of the following:

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
O2 Sensor Heater Circuit Malfunction
Shift Solenoid E Performance or Stuck Off
Engine Oil Temperature Sensor Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Cylinder 10 Contribution/balance Fault
Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 02774 Code

Inspect all the connections starter activation, return message terminal 50, short to ground/open circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

02774 Fault Code For Volkswagen Vehicles

The fault code 02774 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 02774 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24