VW Code 29403
29403 Description And Summary : |
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The instrument cluster alerts the driver to the fault coolant circulation pump relay (j151), short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so data bus powertrain, missing message from acceleration request . So for next fuel injection valve 2 (n367), short to ground is the final reason of the code. |
29403 Possible Causes:
29403 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 29403 Code
- Inspect all the connections engine oil temperature sensor (g8), circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns