AUDI
A211421 2039006-
Manufacturer communications
- Publication date
- 2014-11-26
- Received by NHTSA
- 2017-12-05
- NHTSA record numbers
- 10124870
Manufacturer summary
Original wording in English
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.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Audi
P029900Turbo/Super Charger UnderboostCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Audi | A4 ALLROAD | 2014 |
| Audi | A4 ALLROAD | 2013 |
| Audi | A5 | 2014 |
| Audi | A5 | 2013 |
| Audi | A5 CABRIOLET | 2014 |
| Audi | A5 CABRIOLET | 2013 |
| Audi | A6 | 2014 |
| Audi | A6 | 2013 |
| Audi | Q5 | 2014 |
| Audi | Q5 | 2013 |
| Audi | TT ROADSTER | 2014 |
| Audi | TT ROADSTER | 2013 |