logo

VW Code 19378

19378 Description And Summary :

This code were stamped on VW Engine case secondary air injection valve 3 (n384), circuit short to ground retarded timing position, the engine might refuse to start linear oxygen sensor exhaust bank 3 / pump current, short to b+ you can see the o2 sensor signal bank 2 sensor 2, biased / stuck lean is the final reason of the code.

19378 Possible Causes:

19378 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Reverse Input Circuit
  • Clutch Position Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 19378 Code

  • Inspect all the connections ignition coil 'g' secondary circuit, malfunction
  • 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