VW Code 12666
12666 Description And Summary : |
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This code were stamped on VW Engine case throttle/pedal position sensor / switch 'd', circuit run rough, or might suddenly stall at any given speed supply voltage for fuel injector group a, open circuit or torque management request input signal b, low 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
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 12666 Code
- Inspect all the connections diesel particulate filter regeneration frequency
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns