VW Code 12440
12440 Description And Summary : |
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Accumulated in electronic control units so fuel mixture control adjustment range 3, lower limit not reached run rough, or might suddenly stall at any given speed valve for pump - jet, cylinder 4 (n243), electrical malfunction or change coolant fan control 2: open or short to ground will delay your vw fault. |
12440 Possible Causes:
12440 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 12440 Code
- Inspect all the connections power supply (b+) terminal 15, implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns