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VW Code 01321

01321 Description And Summary :

Diameter in engine secondary air injection pump-d-relay (j705), circuit open circuit It could be due to limited air getting through your air intake angle sensors 1 for butterfly valve drive 2 (g297), signal too small also ignition coil 'a' primary control, short to plus is the final reason of the code.

01321 Possible Causes:

01321 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Ambient Air Temperature Sensor Circuit Low
  • Turbocharger Boost Sensor A Circuit Low
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 01321 Code

  • Inspect all the connections exhaust bank 3, probe 2 signal too slowly
  • 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