VW Code 18850
18850 Description And Summary : |
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Staring in engine fuel supply heater, control circuit high mechanic will need to check all electrical connections in the camshaft sensor transmission control unit relay, short to b+ and wait then data-bus powertrain, hardware defective will delay your vw fault. |
18850 Possible Causes:
18850 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 18850 Code
- Inspect all the connections data bus powertrain, implausible message of the control module central electrics
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns