01 Noise From Exhaust Flaps, DTC P14AC00, P14AB00, P047500, P047700, P049F00 Are Stored In The ECM (GROUP 01, NO. 21-96)
Reference number: GROUP 01, NO. 21-96
Supersedes refnos: 2060429, 2060429/1, 2060429/2, GROUP 01, NO. 20-83
01 NOISE FROM EXHAUST FLAPS, DTC P14AC00, P14AB00, P047500, P047700, P049F00 ARE STORED IN THE ECM
TECHNICAL SERVICE BULLETIN
| AUDI: | 2017-2021 All Models |
| GROUP: | 01 - On-Board Diagnostic |
APPLICABLE MODELS AND YEARS
| Model(s) | Year | VIN Range | Vehicle-Specific Equipment |
|---|---|---|---|
| All | 2017 - 2021 | All | Exhaust valves |
CONDITION
| Revision | Date | Purpose |
|---|---|---|
| 2 | - | Revised header (Refined to vehicles only with exhaust valves) |
| 1 | 09/01/2020 | Initial publication |
Customer states:
- There is noise from the exhaust flap.
Or
- No customer concerns, it is found during PDI or any other diagnostic work.
Workshop findings:
During a workshop visit the following DTCs (mainly sporadic) about the control motor for the exhaust flap (J883/J945) are stored in the engine control module (ECM), J623 (address word 0001):
- DTC P14AC00 (exhaust flap control module 2, mechanical fault).
- DTC P14AB00 (exhaust flap control module, mechanical fault).
- DTC P047500 (exhaust flap, electric fault).
- DTC P047700 (exhaust flap, short circuit to ground).
- DTC P049F00 (exhaust flap 2 electric fault).
TECHNICAL BACKGROUND
These DTCs are rare and can occur during unique ambient conditions, which the customer does not notice (usually caused by certain low voltage occurrence when initializing the exhaust flap control motor). They are found during subsequent workshop visits.
PRODUCTION SOLUTION
Not applicable.
SERVICE
Use the GFF to ensure that the concern is not caused by a defective component (or such as a damaged cable, incorrectly fitted connector etc.) and that the vehicle is in the standard condition.
The DTC can then be deleted and the vehicle returned to the customer.
WARRANTY
| Claim Type: |
|
||
| Service Number: | 2671 | ||
| Damage Code: | 0017 | ||
| Diagnostic Time: | GFF | 0150 0000 | Time stated on the diagnostic protocol (Max 50 TU) |
| Road test prior to the service procedure | No allowance | 0 TU | |
| Road test after the service procedure | 0121 0004 | 10 TU | |
| Claim Comment: | As per TSB #2060429/2 | ||
All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual. Claims are subject to review or audit by Audi Warranty.
REQUIRED PARTS AND TOOLS
| Tool Number | Tool Description |
|---|---|
| VAS 6160/VAS 6150 | VAS tester with current version of ODIS (Windows 10) |
ADDITIONAL INFORMATION
All part and service references provided in this TSB (2060429) are subject to change and/or removal. Always check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
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