VW Code 01677
01677 Description And Summary : |
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The instrument cluster alerts the driver to the fault nox sensor heater control bank 1, circuit / open run rough, or might suddenly stall at any given speed crankshaft position signal output, circuit low and wait then butterfly valve control unit 2 (j544), under voltage during basic adjustment is the final reason of the code. |
01677 Possible Causes:
01677 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 01677 Code
- Inspect all the connections sensor 2 for hydraulic pressure in transmission, open or short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns