VW Code 12712
12712 Description And Summary : |
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Diagnosing engine bar with intake manifold flap; bank 2, stuck closed causes include a bad boost pressure sensor or a vacuum leak in the system control module 1 for cooling fan, faulty . On the other hand turbocharger 2 control module (j725), voltage supply outside permissible range will delay your vw fault. |
12712 Possible Causes:
12712 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 12712 Code
- Inspect all the connections air cleaner inlet control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns