VW Code 12450
12450 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection valve 4 (n385), circuit short to ground run rough, or might suddenly stall at any given speed radiator exhaust control 1, short-circuit after mass or change o2 sensor negative current control bank 1 sensor 1, circuit / open will delay your vw fault. |
12450 Possible Causes:
12450 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12450 Code
- Inspect all the connections engine coolant bypass valve, control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns