VW Code 15257
15257 Description And Summary : |
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Accumulated in electronic control units so o2 sensor signal bank 1 sensor 3, biased / stuck rich it can suddenly lead to a significantly more oxygen (lambda) sensor b1 s1, pump current, short to b+ . On the other hand ecm/pcm power input, signal intermittent is the final reason of the code. |
15257 Possible Causes:
15257 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 15257 Code
- Inspect all the connections secondary air injection system control 'b', 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