Service bulletin SSM74404
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 | 10160432 |
| Published by NHTSA | 2019-05-28 |
| Manufacturer's number | SSM74404 |
| Manufacturer's date | 2019-04-30 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM |
NHTSA's summary
Degradation of the primary catalytic converter. The DTC P0420-00 stored in the PCM indicates the primary catalyst is not operating at an optimal level.
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
Trouble codes named
P0420
| LAND ROVER DISCOVERY | 2016 |
|---|---|
| LAND ROVER DISCOVERY | 2017, 2018, 2019 |
| LAND ROVER DISCOVERY SPORT | 2015 |
| LAND ROVER RANGE ROVER EVOQUE | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 19V040000 | 2019-01-17. ENGINE |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| N861 Range Rover 21AUG26 | 2026-09-08. Other. Mild Hybrid Electric Vehicle (MHEV) Battery Offline |
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| SFCC_FEB2024_35 | 2024-03-06. Service bulletin. After thermostat replacement, the instrument cluster says that the engine is overheating while driving. |
| NAS24.01.001 | 2024-02-07. Service bulletin. Potential manufacturing issue with replacement thermostats |
| BIG5JAN24_27 | 2024-02-07. Service bulletin. POTENTIAL MANUFACTURING ISSUE WITH REPLACEMENT THERMOSTATS. |