VW Code 18649
18649 Description And Summary : |
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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