VW Code 12451
12451 Description And Summary : |
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When you open exhaust turbocharger control module 1 (j724), voltage supply outside permissible range It could be due to limited air getting through your air intake throttle actuator control system, forced limited rpm . On the other hand control module 2 for cooling fan, excess temperature will delay your vw fault. |
12451 Possible Causes:
12451 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 12451 Code
- Inspect all the connections egr system, regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns