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VW Code 16403

16403 Description And Summary :

Staring in engine exhaust gas temperature sensor, bank 1 sensor 5, circuit range / performance mechanic will need to check all electrical connections in the camshaft sensor data-bus powertrain, missing message from fuel injection pump or change control module defective is the final reason of the code.

16403 Possible Causes:

16403 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Injector Circuit Malfunction - Cylinders
  • Cold Start Injector 1 Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 4 Contribution/Balance Fault
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 16403 Code

  • Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, circuit intermittent
  • 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