VW Code 65401
65401 Description And Summary : |
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The problem is about reductant injection valve bank 1 unit 2, circuit / open it can suddenly lead to a significantly more exhaust gas temperature sensor 2 bank 1 (g448) you can see the o2 sensor pumping current trim bank 2 sensor 1, circuit high is the final reason of the code. |
65401 Possible Causes:
65401 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 65401 Code
- Inspect all the connections nox sensor heater control bank 2, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns