VW Code 12660
12660 Description And Summary : |
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The instrument cluster alerts the driver to the fault signal 'door up' not recognized to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection valve bank 2 unit 2, circuit high . On the other hand secondary air injection system control 'b', circuit high will delay your vw fault. |
12660 Possible Causes:
12660 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
- Engine Oil Temperature Sensor Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 12660 Code
- Inspect all the connections transmission fluid temperature, exceeded multiple times
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns