VW Code 18662
18662 Description And Summary : |
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The problem is about nox sensor heater sense bank 2, circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so data bus powertrain, incorrect signal from adr control module . On the other hand post catalyst fuel trim system, low limit is the final reason of the code. |
18662 Possible Causes:
18662 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Ignition Coil A Primary/Secondary Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 18662 Code
- Inspect all the connections throttle actuator control system, sudden low air flow detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns