VW Code 15993
15993 Description And Summary : |
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The instrument cluster alerts the driver to the fault ignition coil 'g' primary control, short to plus run rough, or might suddenly stall at any given speed o2 sensor negative current control bank 1 sensor 1, circuit high . On the other hand coolant fan control module 2, malfunction will delay your vw fault. |
15993 Possible Causes:
15993 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 15993 Code
- Inspect all the connections secondary air injection pump-c-relay (j704), circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns