# P2421 on the 2021 Volkswagen Tiguan

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P2421

- [10242899](https://open.wenmarpro.com/bulletins/10242899), 2023-10-05: Customer states MIL\-on, P2421 stored in ECM memory Customer states MIL\-on, P2402 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL\-on, fault P04F0 stored in ECM memory Customer states MIL\-on, fault P0461 stored in ECM memory Customer states noise while driving Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press \(not KESSY\) Customer states seat memory is inoperative Customer states seat belt won't retract
- [10186592](https://open.wenmarpro.com/bulletins/10186592), 2021-02-04: Customer states MIL\-on with P2421 Customer states MIL\-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states no voice output during calls / micro phone inoperative Customer states fuel odor/leak in the rear part of the vehicle \(without a punctured fuel tank, hoses or pipes\) or difficulty fueling fuel tank or fuel coming back up filler neck
- [10185678](https://open.wenmarpro.com/bulletins/10185678), 2021-02-04: Customer states MIL\-on with P0556 Customer states MIL\-on with P2421 Customer states MIL\-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states no voice output during calls / micro phone inoperative Customer states fuel odor/leak in the rear part of the vehicle \(without a punctured fuel tank, hoses or pipes\) or difficulty fueling fuel tank or fuel coming back up filler neck
- [10185677](https://open.wenmarpro.com/bulletins/10185677), 2021-02-04: Customer states MIL\-on with P0556 Customer states MIL\-on with P2421 Customer states MIL\-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states no voice output during calls / micro phone inoperative Customer states fuel odor/leak in the rear part of the vehicle \(without a punctured fuel tank, hoses or pipes\) or difficulty fueling fuel tank or fuel coming back up filler neck