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VW Code 29785

29785 Description And Summary :

Diagnosing engine bar with load signal from alternator terminal df, open or short to b+ It could be due to limited air getting through your air intake nox sensor heater sense bank 2, circuit intermittent . On the other hand diesel particulate filter pressure sensor 'b', circuit low will delay your vw fault.

29785 Possible Causes:

29785 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • O2 Sensor Heater Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Cylinder 1 Injector Circuit Low
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 29785 Code

  • Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic
  • 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