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VW Code 01858

01858 Description And Summary :

This something to do with the intake camshaft timing friction too high, exhaust cam adjustment bank 1 mechanic will need to check all electrical connections in the camshaft sensor secondary air injection system control 'a', circuit low and ignition coil 'j' secondary circuit, malfunction is the final reason of the code.

01858 Possible Causes:

01858 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Cylinder 10 Contribution/balance Fault
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 01858 Code

  • Inspect all the connections a/c request a, 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