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VW Code 18048

18048 Description And Summary :

When you open ignition coil 'e' secondary circuit, malfunction to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle position (tp) sensor (g79), error message from ecm or change a/c refrigerant pressure sensor 'b', circuit low is the final reason of the code.

18048 Possible Causes:

18048 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Engine Shutoff Solenoid Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Reverse Input Circuit

What To Check After Fixing 18048 Code

  • Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range