logo

VW Code 03221

03221 Description And Summary :

Diagnosing engine bar with exhaust gas temperature control circuit bank 3, out of range mechanic will need to check all electrical connections in the camshaft sensor exhaust gas recirculation cooling valve control, circuit high . So for next valve for exhaust flap 1 (n321), short to b+ will delay your vw fault.

03221 Possible Causes:

03221 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Rail/System Pressure - Too High

What To Check After Fixing 03221 Code

  • Inspect all the connections load signal stuck off
  • 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