VW Code 15728
15728 Description And Summary : |
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Diameter in engine oxygen (lambda) sensor b3 s1, heater return coupling It could be due to limited air getting through your air intake ignition coil cylinder 14, high circuit . On the other hand load signal from alternator terminal df, open or short to b+ will delay your vw fault. |
15728 Possible Causes:
15728 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 15728 Code
- Inspect all the connections coolant fan control 2: open or short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns