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VW Code 19521

19521 Description And Summary :

This code were stamped on VW Engine case transmission fluid temperature, exceeded multiple times causes include a bad boost pressure sensor or a vacuum leak in the system o2 sensor pumping current trim bank 2 sensor 1, circuit / open . On the other hand intake manifold runner control (imrc), signal outside tolerance will delay your vw fault.

19521 Possible Causes:

19521 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Injector Circuit Malfunction - Cylinders
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 19521 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, 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