Service bulletin 24CO
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10095303 |
| Published by NHTSA | 2017-03-16 |
| Manufacturer's number | 24CO |
| Manufacturer's date | 2016-09-20 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ELECTRICAL SYSTEM:SOFTWARE |
NHTSA's summary
ON CERTAIN AUDI VEHICLES WITH A 3.0L TFSI ENGINE MANUFACTURED DURING A SPECIFIC PERIOD, THE DIAGNOSTIC THRESHOLDS FOR THE CATALYTIC CONVERTERS WERE PROGRAMMED TOO TIGHTLY IN THE ENGINE CONTROL UNIT. AS A RESULT, THE MALFUNCTION INDICATOR LIGHT (MIL) MAY COME ON EVEN THOUGH THE CATALYTIC CONVERTERS ARE WORKING PROPERLY. IF THE MIL IS ON, A VEHICLE WILL NOT PASS AN EMISSIONS INSPECTION.
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Electrical system, Engine, Exhaust and emissions, Catalytic converter, Software
| AUDI A4 ALLROAD | 2013, 2014, 2015, 2016 |
|---|---|
| AUDI A5 | 2013, 2014, 2015, 2016 |
| AUDI A6 | 2012, 2013, 2014, 2015 |
| AUDI A7 | 2012, 2013, 2014, 2015 |
| AUDI A8 | 2013, 2014 |
| AUDI Q5 | 2013, 2014, 2015, 2016 |
| AUDI RS 5 | 2013, 2014, 2015 |
| AUDI RS 5 | 2016 |
| AUDI S5 | 2013, 2014, 2015, 2016 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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| A0123972072121_1 | 2023-12-06. Service bulletin. This bulletin provides information for when the MIL/EPC light is illuminated, DTC P042000 or P043000, Catalyst system, bank 1 or 2 efficiency below thresh hold. |
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| 01145620329002 | 2023-01-03. Service bulletin. The fault listed can occur under certain driving conditions. It is caused by an incorrect software setting. Some driving scenarios (such as extended idling or heavy stop-and-go traffic) can cause a slight misinterpretation of the data, which causes the MIL to illuminate. |