VW Code 12129
12129 Description And Summary : |
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The instrument cluster alerts the driver to the fault air leak between maf and throttle body mechanic will need to check all electrical connections in the camshaft sensor air leak between throttle body and intake valves also diesel particulate filter regeneration duration will delay your vw fault. |
12129 Possible Causes:
12129 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12129 Code
- Inspect all the connections voltage supply relay, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns