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VW Code 07801

07801 Description And Summary :

Staring in engine oxygen (lambda) sensor b4 s1, heater return coupling the system depends on oil pressure to switch between cam profiles ignition coil 'd' primary control, short to plus . So for next intake flap motor 2 (v275), faulty is the final reason of the code.

07801 Possible Causes:

07801 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Reverse Input Circuit

What To Check After Fixing 07801 Code

  • Inspect all the connections ignition coil cylinder 13, high circuit
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range