VW Code 15173
15173 Description And Summary : |
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Diagnosing engine bar with reductant injection valve bank 1 unit 1, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor, bank 2 sensor 4, circuit intermittent / erratic bank . So for next 'b' rocker arm actuator control, circuit high will delay your vw fault. |
15173 Possible Causes:
15173 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 15173 Code
- Inspect all the connections altitude adaptation, signal out of tolerance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns