logo

VW Code 29378

29378 Description And Summary :

The problem is about ignition switch run position, circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection pump-d-relay (j705), circuit electrical malfunction . So for next fuel tank pressure (ftp) sensor (g400), short to ground is the final reason of the code.

29378 Possible Causes:

29378 vw fault code may be caused by one or more of the following:

  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Fuel Rail/System Pressure - Too High
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 29378 Code

  • Inspect all the connections exhaust bank 3/4 lambda probes before kat exchanges
  • 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