VW Code 15491
15491 Description And Summary : |
---|
The problem is about exhaust bank 4 sensor 1 heater circuit, electrical malfunction it can suddenly lead to a significantly more o2 sensor reference voltage bank 2 sensor 1, circuit low . On the other hand system too lean at higher load, bank 2 will delay your vw fault. |
15491 Possible Causes:
15491 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Clutch Position Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 15491 Code
- Inspect all the connections injector cylinder 16 (n393), circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns