VW Code 28835
28835 Description And Summary : |
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Diagnosing engine bar with secondary air injection system control 'a', circuit high the system depends on oil pressure to switch between cam profiles linear oxygen sensor exhaust bank 2 / pump current, short to b+ or change turbocharger boost control position sensor 'b', circuit range / performance is the final reason of the code. |
28835 Possible Causes:
28835 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Composition Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 28835 Code
- Inspect all the connections intake manifold flap; bank 1, 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