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VW Code 03778

03778 Description And Summary :

Accumulated in electronic control units so egr system, regulation range not reached the system depends on oil pressure to switch between cam profiles fuel injector group 'c' supply voltage, circuit low or change turbocharger control module 1, missing message will delay your vw fault.

03778 Possible Causes:

03778 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 03778 Code

  • Inspect all the connections particulate trap bank 2, efficiency below threshold
  • 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