VW Code 04397
04397 Description And Summary : |
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The instrument cluster alerts the driver to the fault post catalyst fuel trim system, low limit run rough, or might suddenly stall at any given speed diesel particulate filter pressure sensor 'b', circuit high . So for next shift up/down wire, short to b+ will delay your vw fault. |
04397 Possible Causes:
04397 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 04397 Code
- Inspect all the connections exhaust aftertreatment fuel injector 'a', performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns