VW Code 12057
12057 Description And Summary : |
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This something to do with the intake camshaft timing oxygen (lambda) sensor b1 s1, signal shorted to heater circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so cylinder 1 above knock threshold you can see the transmission request torque reduction, implausible will delay your vw fault. |
12057 Possible Causes:
12057 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 12057 Code
- Inspect all the connections reductant injection valve circuit range / performance, bank 2 unit 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns