VW Code 15121
15121 Description And Summary : |
|---|
Staring in engine generator lamp/l-terminal, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel fired heater, disabled you can see the fuel cap sensor / switch, circuit intermittent / erratic will delay your vw fault. |
15121 Possible Causes:
15121 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Exhaust Gas Recirculation Sensor B Circuit High
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 15121 Code
- Inspect all the connections turbocharger boost control position 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