VW Code 03912
03912 Description And Summary : |
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The problem is about post catalyst fuel trim system, low limit it can suddenly lead to a significantly more data bus powertrain, implausible message of the clutch electrics also exhaust turbocharger control module 1 (j724), high temperature will delay your vw fault. |
03912 Possible Causes:
03912 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 03912 Code
- Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, 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