VW Code 03912
03912 Description And Summary : |
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The instrument cluster alerts the driver to the fault ignition switch run position, circuit high run rough, or might suddenly stall at any given speed load signal, error message from ecu and wait then exhaust gas temperature sensor 2 bank 1 (g448) is the final reason of the code. |
03912 Possible Causes:
03912 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Reverse Input Circuit
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 03912 Code
- Inspect all the connections oxygen (lambda) sensor b1 s2, signal shorted to heater circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns