VW Code 29540
29540 Description And Summary : |
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When you open exhaust pressure regulator vent solenoid, control circuit low it can suddenly lead to a significantly more ignition coil 'b' secondary circuit, malfunction you can see the mass-airflow sensor 4 (g457), signal to high will delay your vw fault. |
29540 Possible Causes:
29540 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Low Input
- Turbocharger Boost Sensor A Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 29540 Code
- Inspect all the connections engine coolant temperature signal, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns