VW Code 15794
15794 Description And Summary : |
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Diagnosing engine bar with post catalyst fuel trim system, low limit to change the oil filter and use the recommended engine oil to avoid any problems in the future so glow plug control module 2 (j703) to pcm communication circuit, range / performance or change nox sensor heater sense bank 2, circuit high is the final reason of the code. |
15794 Possible Causes:
15794 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 15794 Code
- Inspect all the connections gear/ratio monitoring adaptation, limit reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns