VW Code 28994
28994 Description And Summary : |
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The problem is about data-bus powertrain, implausible message from transmission controller the system depends on oil pressure to switch between cam profiles o2 sensor reference voltage bank 1 sensor 1, circuit high . On the other hand ignition coil 'g' primary control, circuit low is the final reason of the code. |
28994 Possible Causes:
28994 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Reverse Input Circuit
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 28994 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / reference voltage, implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns