VW Code 15938
15938 Description And Summary : |
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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