VW Code 15946
15946 Description And Summary : |
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The instrument cluster alerts the driver to the fault catalyst system exhaust bank 3, effectiveness too low causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 1 sensor 1, circuit range / performance also reductant injection valve bank 1 unit 1, circuit / open will delay your vw fault. |
15946 Possible Causes:
15946 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 15946 Code
- Inspect all the connections exhaust bank 3, probe 2 heating circuit short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns