VW Code 15020
15020 Description And Summary : |
|---|
The problem is about secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic it can suddenly lead to a significantly more fuel level sensor 2, circuit high voltage you can see the intake manifold runner position sensor / switch, circuit intermittent bank 1 is the final reason of the code. |
15020 Possible Causes:
15020 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 15020 Code
- Inspect all the connections ignition coil 'f' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns