VW Code 15321
15321 Description And Summary : |
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This code were stamped on VW Engine case control module 1 for cooling fan, faulty causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 1 sensor 2, circuit and sensor 2 for hydraulic pressure in transmission, open or short to b+ is the final reason of the code. |
15321 Possible Causes:
15321 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 15321 Code
- Inspect all the connections throttle actuator control system, stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns