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VW Code 11603

11603 Description And Summary :

This something to do with the intake camshaft timing injector control pressure, too high - engine off causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4, sensor 2 heater circuit, short-circuit after mass and wait then hydraulic pressure sensor 1, too high is the final reason of the code.

11603 Possible Causes:

11603 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Composition Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 11603 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, short to b+
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range