VW Code 28778
28778 Description And Summary : |
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Staring in engine transmission output speed sensor 2 (g196), circuit range / performance causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor, bank 2 sensor 5, circuit low and sensor 1 for hydraulic pressure in transmission, open or short to b+ will delay your vw fault. |
28778 Possible Causes:
28778 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 28778 Code
- Inspect all the connections exhaust gas temperature sensor 2 bank 2 (g449), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns