VW Code 12666
12666 Description And Summary : |
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Staring in engine turbo/super charger wastegate solenoid c (n388), signal low mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3, probe 2 heating circuit of electrical errors and motor for intake manifold flap (v157), short to b+ will delay your vw fault. |
12666 Possible Causes:
12666 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Shutoff Solenoid Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 12666 Code
- Inspect all the connections o2 sensor pumping current trim bank 1 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns