VW Code 18542
18542 Description And Summary : |
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This code were stamped on VW Engine case transmission coolant circuit relay, short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system butterfly valve control unit 2 (j544), under voltage during basic adjustment you can see the transmission ratio, implausible is the final reason of the code. |
18542 Possible Causes:
18542 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 18542 Code
- Inspect all the connections cylinder 5 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns