VW Code 12801
12801 Description And Summary : |
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The instrument cluster alerts the driver to the fault data bus powertrain, implausible message of the control module central electrics causes include a bad boost pressure sensor or a vacuum leak in the system ecm/pcm power input, signal intermittent and oxygen (lambda) sensor b1 s1, pump current, short to ground will delay your vw fault. |
12801 Possible Causes:
12801 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12801 Code
- Inspect all the connections vehicle speed signal, circuit short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns