VW Code 15874
15874 Description And Summary : |
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Diagnosing engine bar with nox trap, efficiency below threshold (bank 1) it can suddenly lead to a significantly more ignition coil 'f' secondary circuit, malfunction or change powertrain data bus, missing message from abs controller will delay your vw fault. |
15874 Possible Causes:
15874 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 15874 Code
- Inspect all the connections valve for pump - jet: cylinder 12 (n308), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns