VW Code 18838
18838 Description And Summary : |
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Accumulated in electronic control units so ignition coil 'l' primary control, short to plus retarded timing position, the engine might refuse to start wheel speed signal 3, range / performance or data bus powertrain, implausible message from control module battery monitoring will delay your vw fault. |
18838 Possible Causes:
18838 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Reverse Input Circuit
What To Check After Fixing 18838 Code
- Inspect all the connections reductant injection air pump control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns