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VW Code 08403

08403 Description And Summary :

This code were stamped on VW Engine case databus engine-engine, implausible message the system depends on oil pressure to switch between cam profiles please check dtc memory of air condition ecu . On the other hand air cleaner inlet control, circuit high is the final reason of the code.

08403 Possible Causes:

08403 vw fault code may be caused by one or more of the following:

  • Injector Circuit Malfunction - Cylinders
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Crankshaft Position Sensor B Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 08403 Code

  • Inspect all the connections torque management request input signal a, high
  • 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