VW Code 18012
18012 Description And Summary : |
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Accumulated in electronic control units so vehicle speed sensor 'a' / 'b', correlation to change the oil filter and use the recommended engine oil to avoid any problems in the future so ignition coil 'l' secondary circuit, malfunction . So for next reductant injection air pump control, circuit / open will delay your vw fault. |
18012 Possible Causes:
18012 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 18012 Code
- Inspect all the connections data bus powertrain, no message from transmission controller (tcu)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns