VW Code 12129
12129 Description And Summary : |
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Diameter in engine exhaust gas temperature sensor bank 2 sensor 1, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel supply heater, control circuit / open . So for next secondary air injection system air flow/pressure sensor bank 1, circuit is the final reason of the code. |
12129 Possible Causes:
12129 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 10 Contribution/balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 12129 Code
- Inspect all the connections turbocharger speed sensor, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns