VW Code 03684
03684 Description And Summary : |
|---|
This code were stamped on VW Engine case oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded It could be due to limited air getting through your air intake pressure control solenoid 6 (n371) short to b+ or ignition switch accessory position, circuit is the final reason of the code. |
03684 Possible Causes:
03684 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
What To Check After Fixing 03684 Code
- Inspect all the connections clutch pedal position (cpp) switch (f194), implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns