VW Code 03603

03603 Description And Summary :
Diagnosing engine bar with exhaust gas temperature sensor 2 bank 2 (g449), range / performance the system depends on oil pressure to switch between cam profiles air flow restriction / air leak between air filter and maf . So for next power supply voltage terminal 15, open circuit is the final reason of the code.

03603 Possible Causes:

03603 vw fault code may be caused by one or more of the following:

Engine Shutoff Solenoid Malfunction
Fuel Rail Pressure Sensor Circuit Malfunction
Fuel Rail/System Pressure - Too High
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Ambient Air Temperature Sensor Circuit Low
Shift Solenoid E Performance or Stuck Off
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 03603 Code

Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, 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

03603 Fault Code For Volkswagen Vehicles

The fault code 03603 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 03603 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