VW Code 13999
13999 Description And Summary : |
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Diameter in engine coolant circulation pump relay (j151), short to ground causes include a bad boost pressure sensor or a vacuum leak in the system engine coolant temperature sensor 2 (g83), circuit intermittent / erratic . So for next valve for exhaust flap 1 (n321), open circuit is the final reason of the code. |
13999 Possible Causes:
13999 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 13999 Code
- Inspect all the connections oxygen (lambda) sensor b1 s1, 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