VW Code 04729
04729 Description And Summary : |
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Diameter in engine ignition coil 'a' primary control, short to plus causes include a bad boost pressure sensor or a vacuum leak in the system powertrain data bus, missing message from steering wheel electronics also drive by wire-mil (k132), circuit open is the final reason of the code. |
04729 Possible Causes:
04729 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 04729 Code
- Inspect all the connections boost pressure control valve (n249), mechanical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns