# Service bulletin SSM74329

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: 10160439
- Published by NHTSA: 2019\-05\-28
- Manufacturer's number: SSM74329
- Manufacturer's date: 2019\-04\-15
- NHTSA component: SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

Air suspension compressor being replaced for an E Chamber failure.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10160439-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10160439-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Suspension

## Vehicles listed

- 2017 to 2019 LAND ROVER DISCOVERY
- 2013 to 2019 LAND ROVER RANGE ROVER
- 2014 to 2019 LAND ROVER RANGE ROVER SPORT
- 2018 to 2019 LAND ROVER RANGE ROVER VELAR

## Recalls for the same vehicles and component

- [2025338](/recalls/tc/2025338.md), 2025-06-19: Suspension
- [2025289](/recalls/tc/2025289.md), 2025-05-29: Suspension
- [2025274](/recalls/tc/2025274.md), 2025-05-22: Suspension
- [2022668](/recalls/tc/2022668.md), 2022-11-23: Suspension
- [2015424](/recalls/tc/2015424.md), 2015-09-24: Accessories
- [2014436](/recalls/tc/2014436.md), 2014-10-03: Accessories

## Other bulletins for the same vehicles and component

- [TUCC\_AUG2025\_40](/bulletins/11022476.md), 2025-09-03, Other: SUSPENSION. There is a noise in the front suspension.
- [SSM76376ATT \- 04AUG25](/bulletins/11022427.md), 2025-09-03, Other: SUSPENSION. A number of warranty return front lower control arms where the ball joint shows signs of damage due to over\-articulation of the arm during removal and installation.
- [SSM76376 \- 04AUG25](/bulletins/11022425.md), 2025-09-03, Other: SUSPENSION. A number of warranty return front lower control arms where the ball joint shows signs of damage due to over\-articulation of the arm during removal and installation.
- [SSM76143](/bulletins/11006104.md), 2024-08-07, Other: SUSPENSION. Certain vehicles are experiencing split/damaged accessory drive belts and worn/damaged accessory drive belt tensioners and pulleys, resulting in abnormal noises coming from the engine bay.
- [JLRTB02079NAS2](/bulletins/10252772.md), 2024-04-05, Service bulletin: STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT. Creaking Noise From Glass Roof Panel
- [SFCC\_MAR2024\_70](/bulletins/10252766.md), 2024-04-05, Service bulletin: STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT. A creaking type noise from the roof area is heard while driving.
- [BIG5MAR24\_34b](/bulletins/10252743.md), 2024-04-05, Service bulletin: FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. A concern has been identified where on certain vehicles equipped with TDV6 3.0L Diesel and Ingenium I4 2.0L Diesel engines, when connected to a diagnostic scan tool during the California SMOG test, the Powertrain Control Module \(PCM\) incorrectly reports the monitor readiness status as 'not supported'. A software update to the PCM is needed.
- [N861](/bulletins/10251549.md), 2024-03-08, Service bulletin: EQUIPMENT. On certain 2020 to 2022 model year Range Rover, 2019 to 2022 model year Range Rover Sport, 2019 to 2020 model year Range Rover Evoque and 2020 model year Discovery Sport vehicles, the 48V Mild Hybrid Electric Vehicle \(MHEV\) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp \(MIL\), loss of start/stop functionality and no communication during diagnostic sessions.
- [SFCC\_DEC2023\_32](/bulletins/10248408.md), 2024-01-09, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Due to time required to complete in shop vehicle set up and workflow for Audio loss, it has been found that workflow may provide false result if IMC is not in a faulted state when workflow is run to identify potential Polar Switch Firmware fault.
- [SFCC\_SEP2023\_46](/bulletins/10243681.md), 2023-10-06, Service bulletin: EQUIPMENT. The sunglass holder won’t open or does not operate correctly

JSON: [/v1/bulletins/10160439](/v1/bulletins/10160439)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20SSM74329&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10160439&vehicle=Service%20bulletin%20SSM74329)