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VW Code 18649

18649 Description And Summary :

The problem is about nox sensor heater sense bank 2, circuit high retarded timing position, the engine might refuse to start transmission mount valve 1 (n262), open circuit also exhaust bank 4, sensor 2, signal too slowly will delay your vw fault.

18649 Possible Causes:

18649 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Crankshaft Position Sensor B Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 18649 Code

  • Inspect all the connections signal for back-up lights, open
  • 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