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VW Code 04851

04851 Description And Summary :

Accumulated in electronic control units so exhaust bank 3, probe 2 internal resistance too largely to change the oil filter and use the recommended engine oil to avoid any problems in the future so data bus powertrain, missing message from control module battery monitoring . So for next planetary overdrive / low range, mechanical malfunction is the final reason of the code.

04851 Possible Causes:

04851 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Clutch Position Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 04851 Code

  • Inspect all the connections data bus powertrain, implausible message of the a/c control module
  • 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