VW Code 18781
18781 Description And Summary : |
|---|
Staring in engine exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses to change the oil filter and use the recommended engine oil to avoid any problems in the future so coolant fan control 2: open or short to ground or change control module defective is the final reason of the code. |
18781 Possible Causes:
18781 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 18781 Code
- Inspect all the connections torque management feedback signal "b", low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns