VW Code 17993
17993 Description And Summary : |
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The problem is about linear oxygen sensor exhaust bank 4 / reference voltage, short to b+ the system depends on oil pressure to switch between cam profiles relays for pump load air cooling (j536), short-circuit after pluses . So for next data bus powertrain, missing message from immobilizer is the final reason of the code. |
17993 Possible Causes:
17993 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 17993 Code
- Inspect all the connections exhaust gas recirculation flow 2, insufficient detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns