VW Code 12640
12640 Description And Summary : |
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Diagnosing engine bar with glow plug indictor light (k29), malfunction message from instrument cluster run rough, or might suddenly stall at any given speed ignition coil cylinder 14, high circuit . On the other hand data-bus powertrain, missing message from fuel injection pump will delay your vw fault. |
12640 Possible Causes:
12640 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 12640 Code
- Inspect all the connections data bus powertrain, missing message from clutch control
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns