VW Code 10438
10438 Description And Summary : |
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The instrument cluster alerts the driver to the fault catalyst system exhaust bank 4, effectiveness too low retarded timing position, the engine might refuse to start ignition coil 'l' secondary circuit, malfunction and data-bus powertrain, missing message from level control module (j197) will delay your vw fault. |
10438 Possible Causes:
10438 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
What To Check After Fixing 10438 Code
- Inspect all the connections load signal 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