VW Code 12927
12927 Description And Summary : |
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Diagnosing engine bar with engine coolant temperature signal, range / performance it can suddenly lead to a significantly more engine torque reduction, open / short to ground and exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded will delay your vw fault. |
12927 Possible Causes:
12927 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 12927 Code
- Inspect all the connections gear/ratio monitoring adaptation, limit reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns