VW Code 17456
17456 Description And Summary : |
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When you open nox sensor heater sense bank 2, circuit mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3 main catalyst, effectiveness too low . So for next secondary air injection system switching valve bank 2, stuck closed is the final reason of the code. |
17456 Possible Causes:
17456 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 17456 Code
- Inspect all the connections tiptronic switch up, circuit 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