MIL on. Customer may report a reduction in power
Audi technical service bulletin A211420 2039006- for 2013-2014 Audi A6, 2013-2014 Audi Q5 and 2013-2014 Audi A5 and others.
- Bulletin number
- A211420 2039006-
- Component
- Engine
- Summary
- 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.
Owners of these vehicles have filed 151 complaints in the engine category.
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