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VW Code 04025

04025 Description And Summary :

Diagnosing engine bar with valve for exhaust flap 1 (n321), open circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so accelerator pedal position sensor 1 (g79), power supply malfunction and wait then ignition coil 'b' primary control, circuit low will delay your vw fault.

04025 Possible Causes:

04025 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Reverse Input Circuit
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 04025 Code

  • Inspect all the connections exhaust gas temperature sensor, bank 1 sensor 4, circuit high
  • 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