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VW Code 15724

15724 Description And Summary :

Diameter in engine injector cylinder 13 (n390), circuit low retarded timing position, the engine might refuse to start o2 sensor negative current control bank 2 sensor 1, circuit high . On the other hand oxygen (lambda) sensor b1 s2, signal shorted to heater circuit is the final reason of the code.

15724 Possible Causes:

15724 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Injector Circuit Malfunction - Cylinders
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Engine Shutoff Solenoid Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 15724 Code

  • Inspect all the connections secondary air injection system pump bank 1, stuck off
  • 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