Service bulletin Circular 24GW
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 | 10199222 |
| Published by NHTSA | 2021-08-04 |
| Manufacturer's number | Circular 24GW |
| Manufacturer's date | 2021-07-08 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR |
NHTSA's summary
In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the Malfunction Indicator Light (MIL) due to an error identified with Rear O2 Sensor monitoring.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Exhaust and emissions, Catalytic converter, Exhaust manifold, pipes and muffler
| VOLKSWAGEN GTI | 2021 |
|---|---|
| VOLKSWAGEN JETTA | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| Dealer 24GW | 2021-08-04. Service bulletin. In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the Malfunction Indicator Light (MIL) due to an error identified with Rear O2 Sensor monitoring. |
|---|