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VW Code 03124

03124 Description And Summary :

This something to do with the intake camshaft timing reductant injection valve bank 1 unit 2, circuit low run rough, or might suddenly stall at any given speed throttle position output, circuit / open or change relays for coolant additive pump (j496), short to b+ is the final reason of the code.

03124 Possible Causes:

03124 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Reverse Input Circuit
  • Fuel Composition Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 03124 Code

  • Inspect all the connections oxygen (lambda) sensor b1 s3, signal shorted to heater 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