VW Code 18400
18400 Description And Summary : |
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This code were stamped on VW Engine case injector data, incompatible run rough, or might suddenly stall at any given speed secondary air injection valve 4 (n385), circuit short to b+ . So for next relay 2 for power supply (b+)terminal 30, range/performance is the final reason of the code. |
18400 Possible Causes:
18400 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 A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 18400 Code
- Inspect all the connections power supply (b+) terminal 15, low voltage
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns