VW Code 12686
12686 Description And Summary : |
|---|
Accumulated in electronic control units so vacuum reservoir pressure sensor, circuit high the system depends on oil pressure to switch between cam profiles clutch pressure, adaptation at limit and idle regulation lean operation: rpm too high will delay your vw fault. |
12686 Possible Causes:
12686 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Glow Plug/Heater Circuit 'A' Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 12686 Code
- Inspect all the connections intake manifold runner control, lower stop not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns