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VW Code 29851

29851 Description And Summary :

This something to do with the intake camshaft timing fuel pump "b", low flow / performance it can suddenly lead to a significantly more data-bus powertrain, missing message from fuel injection pump and secondary air injection system pump bank 2, stuck off is the final reason of the code.

29851 Possible Causes:

29851 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 29851 Code

  • Inspect all the connections ignition coil 'k' primary control, short to plus
  • 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