VW Code 18986
18986 Description And Summary : |
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This code were stamped on VW Engine case engine coolant level sensor / switch, circuit high the system depends on oil pressure to switch between cam profiles intake manifold runner position sensor / switch, circuit bank 1 you can see the power supply (b+) terminal 15, low voltage is the final reason of the code. |
18986 Possible Causes:
18986 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 18986 Code
- Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns