VW Code 05121
05121 Description And Summary : |
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Diameter in engine function restriction due to brake temperature causes include a bad boost pressure sensor or a vacuum leak in the system clutch torque adaptation 2: adaptation limit reached . So for next pressure control solenoid 3 (n217), short to b+ is the final reason of the code. |
05121 Possible Causes:
05121 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Injector Circuit Malfunction - Cylinders
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 05121 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 2, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns