# Service bulletin SSM75723ATT

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: 10211144
- Published by NHTSA: 2022\-05\-06
- Manufacturer's number: SSM75723ATT
- Manufacturer's date: 2022\-04\-05
- NHTSA component: POWER TRAIN; ENGINE

## NHTSA's summary

CHECK ENGINE LIGHT ON

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211144-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211144-9999.pdf)

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

## Components

Engine, Transmission and driveline

## Vehicles listed

- 2021 LAND ROVER RANGE ROVER
- 2021 LAND ROVER RANGE ROVER SPORT

## Recalls for the same vehicles and component

- [2024599](/recalls/tc/2024599.md), 2024-10-10: Engine
- [2023189](/recalls/tc/2023189.md), 2023-03-30: Engine
- [23V221000](/recalls/nhtsa/23V221000.md), 2023-03-30: ENGINE AND ENGINE COOLING:COOLING SYSTEM
- [23V044000](/recalls/nhtsa/23V044000.md), 2023-02-02: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

## Other bulletins for the same vehicles and component

- [N861 Range Rover 18SEP26](/bulletins/11038355.md), 2026-10-07, Other: POWER TRAIN. Malfunction Indicator Lamp \(MIL\), loss of start/stop functionality and no communication during diagnostic sessions.
- [N900 Range Rover 21AUG26](/bulletins/11037146.md), 2026-09-08, Other: POWER TRAIN. Malfunction Indicator Lamp \(MIL\) illuminated on the instrument cluster. The root cause of the symptoms is the catalytic converter over temperature.
- [N861 Range Rover 21AUG26](/bulletins/11037143.md), 2026-09-08, Other: ENGINE. Mild Hybrid Electric Vehicle \(MHEV\) Battery Offline
- [N900 Range Rover 16JUN26](/bulletins/11034940.md), 2026-07-08, Other: POWER TRAIN. Customers may experience loss of power, rattling from underside of the vehicle and the Malfunction Indicator Lamp \(MIL\) illuminated on the instrument cluster.
- [N900 Range Rover 20MAR26](/bulletins/11031117.md), 2026-04-07, Other: POWER TRAIN. Loss of power, rattling from underside of the vehicle and the Malfunction Indicator Lamp \(MIL\) illuminated on the instrument cluster. The root cause of the symptoms is the catalytic converter over temperature. The calibration of the exhaust sound tuning feature allows for too many repeated activations in a short period of time, resulting in catalytic converter over temperature and leading to Diagnostic Trouble Codes \(DTC\) P0420 and P0430 being stored in the Powertrain Control Module \(PCM\).
- [Range Rover\_N900 02\-20\-20](/bulletins/11029864.md), 2026-03-06, Other: POWER TRAIN. Loss of power, rattling from underside of the vehicle and the Malfunction Indicator Lamp \(MIL\) illuminated on the instrument cluster.
- [TUCC\_JUL2025\_16](/bulletins/11021642.md), 2025-08-06, Other: ENGINE. The low coolant light may be illuminated/there may be a coolant leak from the engine area.
- [TUCC\_JUN2025\_46](/bulletins/11020209.md), 2025-07-06, Other: POWER TRAIN. MIL on Instrument cluster.
- [TUCC\_JUN2025\_28](/bulletins/11020204.md), 2025-07-06, Other: POWER TRAIN. TURBOCHARGER COOLANT FEED AND RETURN PIPE O\- RING LEAK
- [Range Rover\_N861\_16MAY25](/bulletins/11019267.md), 2025-06-05, Other: POWER TRAIN. On certain 48V Mild Hybrid Electric Vehicle \(MHEV\) battery enters an offline state and no longer communicates or functions as intended. Malfunction Indicator Lamp \(MIL\) might be illuminated, loss of start/stop functionality and no communication during diagnostic sessions.

JSON: [/v1/bulletins/10211144](/v1/bulletins/10211144)

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