VW Code 06990
06990 Description And Summary : |
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Accumulated in electronic control units so exhaust pressure regulator vent solenoid, control circuit / open run rough, or might suddenly stall at any given speed reductant temperature sensor, circuit also ignition coil 'i' primary control, short to plus will delay your vw fault. |
06990 Possible Causes:
06990 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 06990 Code
- Inspect all the connections exhaust bank 3, probe 1 heating circuit short-circuit after mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns