VW Code 01681
01681 Description And Summary : |
|---|
The problem is about fuel mixture control adjustment range 3, higher limit not reached it can suddenly lead to a significantly more fuel pump, electronics faulty and data bus powertrain, implausible message of the steering wheel electrics is the final reason of the code. |
01681 Possible Causes:
01681 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 01681 Code
- Inspect all the connections exhaust bank 3, probe 2 heating circuit short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns