VW Code 18681
18681 Description And Summary : |
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The problem is about bank 1, system too rich at idle to change the oil filter and use the recommended engine oil to avoid any problems in the future so transmission coolant circuit relay, short to b+ or ignition switch accessory position, circuit high is the final reason of the code. |
18681 Possible Causes:
18681 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Low Input
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 18681 Code
- Inspect all the connections shift lock, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns