VW Code 15778
15778 Description And Summary : |
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Diameter in engine data bus powertrain, missing message from clutch control run rough, or might suddenly stall at any given speed intake manifold runner position sensor / switch, circuit low bank 2 also exhaust bank 4, sensor 1, no activity is the final reason of the code. |
15778 Possible Causes:
15778 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 15778 Code
- Inspect all the connections exhaust bank 4, sensor 2 heater circuit, interruption
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns