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VW Code 15938

15938 Description And Summary :

Diagnosing engine bar with exhaust bank 4 sensor 1 heater circuit, short to b+ the system depends on oil pressure to switch between cam profiles reductant injection air pressure sensor 'a', circuit high or change data-bus powertrain, implausible message from engine controller will delay your vw fault.

15938 Possible Causes:

15938 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • O2 Sensor Heater Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 15938 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 2 / common ground wire, open 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