VW Code 08121
08121 Description And Summary : |
---|
Accumulated in electronic control units so tiptronic switch down, circuit short to ground It could be due to limited air getting through your air intake signal for back-up lights, short to b+ and hydraulic pressure sensor 1, range / performance is the final reason of the code. |
08121 Possible Causes:
08121 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ambient Air Temperature Sensor Circuit Low
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 08121 Code
- Inspect all the connections vehicle speed signal wheel speed from brake control module; range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns