VW Code 12801
12801 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 1 sensor 1 o2 sensor signal, implausibly lean the system depends on oil pressure to switch between cam profiles throttle/fuel inhibit, circuit or change load signal from alternator terminal df, open or short to b+ is the final reason of the code. |
12801 Possible Causes:
12801 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 12801 Code
- Inspect all the connections exhaust bank 4, sensor 1, no activity
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns