VW Code 04945

04945 Description And Summary :
The instrument cluster alerts the driver to the fault o2 sensor negative current control bank 2 sensor 1, circuit / open It could be due to limited air getting through your air intake camshaft adjustment oil temperature sensor (g277), short to b+ and secondary air injection system air flow/pressure sensor bank 1, circuit range / performance is the final reason of the code.

04945 Possible Causes:

04945 vw fault code may be caused by one or more of the following:

Fuel Rail Pressure Sensor Circuit Malfunction
Ambient Air Temperature Sensor Circuit Low
Ignition Coil A Primary/Secondary Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Shift Solenoid E Performance or Stuck Off
Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 04945 Code

Inspect all the connections manifold absolute pressure / mass air flow - throttle position correlation at idle
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04945 Fault Code For Volkswagen Vehicles

The fault code 04945 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 04945 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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