Under certain driving conditions, the linkage for the waste gate actuation can encounter excessive wear...
Audi technical service bulletin 141820312457 for 2009-2012 Audi A4, 2011-2012 Audi Q5 and 2009-2012 Audi A5 and others.
- Bulletin number
- 141820312457
- Component
- Engine and engine cooling: engine: engine control module (ecu/ECM)
- Summary
- 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 P029900 (Negative Pressure Deviation).
Owners of these vehicles have filed 237 complaints in the engine category.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used Audi A4?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history