VW Code 18778
18778 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 3 sensor 1, inner resistance implausible the system depends on oil pressure to switch between cam profiles intake manifold runner control, circuit high bank 2 or change exhaust bank 3, probe 1 heating circuit short-circuit after pluses is the final reason of the code. |
18778 Possible Causes:
18778 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift Solenoid E Performance or Stuck Off
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 18778 Code
- Inspect all the connections exhaust gas temperature sensor 2 bank 1 (g448), range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns