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VW Code 18446

18446 Description And Summary :

This code were stamped on VW Engine case turbocharger (tc)control module 2, faulty the system depends on oil pressure to switch between cam profiles glow plug / heater indicator (k29), circuit open / short to ground you can see the relays for pump, fuel cooling (j445), short-circuit after pluses will delay your vw fault.

18446 Possible Causes:

18446 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Cold Start Injector 1 Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 18446 Code

  • Inspect all the connections exhaust gas temperature sensor, bank 1 sensor 4, circuit intermittent / erratic
  • 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