VW Code 12051
12051 Description And Summary : |
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The problem is about secondary air injection valve 3 (n384), circuit short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so glow plug control module 2 (j703), electrical malfunction . On the other hand heater regulation, implausible signal is the final reason of the code. |
12051 Possible Causes:
12051 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 12051 Code
- Inspect all the connections malfunction indication light (k83), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns