VW Code 02274
02274 Description And Summary : |
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The problem is about secondary air injection system switching valve bank 1, stuck open the system depends on oil pressure to switch between cam profiles please check dtc memory of ecu number 2 or valve for exhaust flap 1 (n321), short to b+ is the final reason of the code. |
02274 Possible Causes:
02274 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 02274 Code
- Inspect all the connections bank 2 sensor 1, internal resistance implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns