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VW Code 01002

01002 Description And Summary :

Diagnosing engine bar with o2 sensor signal bank 1 sensor 3, biased / stuck lean it can suddenly lead to a significantly more torque management request input signal b . On the other hand secondary air injection system bank 1, high air flow will delay your vw fault.

01002 Possible Causes:

01002 vw fault code may be caused by one or more of the following:

  • Injector Circuit Malfunction - Cylinders
  • Reverse Input Circuit
  • O2 Sensor Heater Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Cylinder 1 Injector Circuit Low

What To Check After Fixing 01002 Code

  • Inspect all the connections pressure sensor for brake boost (g294), 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