VW Code 12454
12454 Description And Summary : |
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This code were stamped on VW Engine case starter relay 2, electrical malfunction in circuit (relay stuck / does not switch) causes include a bad boost pressure sensor or a vacuum leak in the system valve for exhaust flap 1 (n321), electrical malfunction also control module, coding fault is the final reason of the code. |
12454 Possible Causes:
12454 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12454 Code
- Inspect all the connections valve for pump - jet: cylinder 11 (n307), regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns