# P0299 on the 2013 Audi Q5

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 P0299

- [10216706](https://open.wenmarpro.com/bulletins/10216706), 2022-08-01: The circlip connecting the turbo wastegate actuator rod and the wastegate flap lever can fall of due to low tension of the clip. Consequently, the wastegate linkage becomes disconnected, causing MIL on and DTC P029900.
- [10216705](https://open.wenmarpro.com/bulletins/10216705), 2022-08-01: The circlip connecting the turbo wastegate actuator rod and the wastegate flap lever can fall of due to low tension of the clip. Consequently, the wastegate linkage becomes disconnected, causing MIL on and DTC P029900.
- [10216699](https://open.wenmarpro.com/bulletins/10216699), 2022-08-01: Under certain driving conditions, the linkage for the waste gate actuation can encounter excessive wear which leads to play at the waste gate flap. This leads to boost escaping through a loose flap, which sets DTC P0299 \(Negative Pressure Deviation\).
- [10216698](https://open.wenmarpro.com/bulletins/10216698), 2022-08-01: Under certain driving conditions, the linkage for the waste gate actuation can encounter excessive wear which leads to play at the waste gate flap. This leads to boost escaping through a loose flap, which sets DTC P0299 \(Negative Pressure Deviation\).
- [10128405](https://open.wenmarpro.com/bulletins/10128405), 2018-02-05: Supersedes Technical Service Bulletin Group 21 number 14\-21 dated November 26, 2014. The MIL is on. Customer may report a reduction in power. DTC P029900 \(Turbo/Super Charger Underboost\) is stored in the engine control module \(ECM\), J623 \(address word 01\). The circlip connecting the turbo wastegate actuator rod and the wastegate flap lever can fall off due to low tension of the clip. Consequently, the wastegate linkage becomes disconnected, causing MIL on and DTC P029900.
- [10124870](https://open.wenmarpro.com/bulletins/10124870), 2017-12-05: Supersedes Technical Service Bulletin Group 21 number 14\-20 dated November 17, 2014. MIL on. Customer may report a reduction in power. DTC P029900 \(Turbo/Super Charger Underboost\) is stored in the engine control module \(ECM\), J623 \(address word 01\). The circlip connecting the turbo wastegate actuator rod and the wastegate flap lever can fall of due to low tension of the clip. Consequently, the wastegate linkage becomes disconnected, causing MIL on and DTC P029900.
- [10124869](https://open.wenmarpro.com/bulletins/10124869), 2017-12-05: MIL on. Customer may report a reduction in power. DTC P029900 \(Turbo/Super Charger Underboost\) is stored in the engine control module \(ECM\), J623 \(address word 01\). The circlip connecting the turbo wastegate actuator rod and the wastegate flap lever can fall of due to low tension of the clip. Consequently, the wastegate linkage becomes disconnected, causing MIL on and DTC P029900.
- [10123907](https://open.wenmarpro.com/bulletins/10123907), 2017-11-17: Supersedes Technical Service Bulletin Group 21 number 13\-12 dated April 1, 2013. MIL on, DTC P0299 \(Negative Pressure Deviation\) is stored. Turbocharger waste gate flap has play. Under certain driving conditions, the linkage for the waste gate actuation can encounter excessive wear which leads to play at the waste gate flap. This leads to boost escaping through a loose flap, which sets DTC P0299 \(Negative Pressure Deviation\).
- [10123906](https://open.wenmarpro.com/bulletins/10123906), 2017-11-17: Supersedes Technical Service Bulletin Group 21 number 13\-11 dated March 6, 2013. MIL on, DTC P0299 \(Negative Pressure Deviation\) is stored. Turbocharger waste gate flap has play. Under certain driving conditions, the linkage for the waste gate actuation can encounter excessive wear which leads to play at the waste gate flap. This leads to boost escaping through a loose flap, which sets DTC P0299 \(Negative Pressure Deviation\).