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VW Code 29256

29256 Description And Summary :

When you open reductant injection valve bank 1 unit 1, circuit high it can suddenly lead to a significantly more solenoid ev 7 (n94), electrical malfunction or change ignition coil 'c' primary control, short to plus will delay your vw fault.

29256 Possible Causes:

29256 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ambient Air Temperature Sensor Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Reverse Input Circuit
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Cylinder 10 Contribution/balance Fault
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 29256 Code

  • Inspect all the connections supply voltage for fuel injector group a, short to ground
  • 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