VW Code 12166
12166 Description And Summary : |
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When you open fuel pump "b" control, circuit low it can suddenly lead to a significantly more valve for intake manifold flap (n239), short to b+ and starter interlock, circuit short to ground will delay your vw fault. |
12166 Possible Causes:
12166 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Glow Plug/Heater Circuit 'A' Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 12166 Code
- Inspect all the connections ignition coil cylinder 14, low circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns