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Service bulletins for the 2013 Audi Q5

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1621 on file from NHTSA, as of 2026-10-19.

About P0299 on the 2013 Audi Q5: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0299 are shown. Show all

Bulletins, newest first
1421203900622022-08-01. Service bulletin. POWER TRAIN; STEERING. 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.
1420203900612022-08-01. Service bulletin. POWER TRAIN; STEERING. 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.
1313203124542022-08-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 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).
1312203124532022-08-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 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).
A211522 2039006-2018-02-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 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.
A211421 2039006-2017-12-05. Service bulletin. ENGINE. 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.
A211420 2039006-2017-12-05. Service bulletin. ENGINE. 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.
A211313 2031245-2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 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).
A211312 2031245-2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 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).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.