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VW Code 04852

04852 Description And Summary :

Accumulated in electronic control units so oxygen (lambda) sensor b2 s2, signal shorted to heater circuit the system depends on oil pressure to switch between cam profiles secondary air injection pump-d-relay (j705), circuit electrical malfunction or change ignition coil 'd' secondary circuit, malfunction is the final reason of the code.

04852 Possible Causes:

04852 vw fault code may be caused by one or more of the following:

  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 04852 Code

  • Inspect all the connections camshaft position signal output, 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