# Service bulletin SSM75971

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: 10233821
- Published by NHTSA: 2023\-04\-05
- Manufacturer's number: SSM75971
- Manufacturer's date: 2023\-03\-27
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

3.0L AJ126 Misfire on New Replacement or REMAN units.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10233821-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10233821-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2017 to 2023 LAND ROVER DISCOVERY
- 2013 to 2022 LAND ROVER RANGE ROVER
- 2014 to 2022 LAND ROVER RANGE ROVER SPORT
- 2018 to 2022 LAND ROVER RANGE ROVER VELAR

## 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
- [2023039](/recalls/tc/2023039.md), 2023-02-02: Engine
- [23V044000](/recalls/nhtsa/23V044000.md), 2023-02-02: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
- [2019029](/recalls/tc/2019029.md), 2019-01-17: Engine
- [19V040000](/recalls/nhtsa/19V040000.md), 2019-01-17: ENGINE
- [2018274](/recalls/tc/2018274.md), 2018-05-23: Engine
- [2015072](/recalls/tc/2015072.md), 2015-02-18: Engine
- [15V069000](/recalls/nhtsa/15V069000.md), 2015-02-06: ENGINE AND ENGINE COOLING:ENGINE

## Other bulletins for the same vehicles and component

- [N861 Range Rover 21AUG26](/bulletins/11037143.md), 2026-09-08, Other: ENGINE. Mild Hybrid Electric Vehicle \(MHEV\) Battery Offline
- [SSM76460 \- 01JUN26](/bulletins/11034858.md), 2026-07-08, Other: POWER TRAIN; ENGINE. Malfunction Indicator Lamp \(MIL\) is illuminated on the instrument panel.
- [JLRTB02127NAS7 \- 13MAY26](/bulletins/11033246.md), 2026-06-03, Service bulletin: ENGINE. Engine coolant level low with no visible loss of coolant\- RESCINDED.
- [N892v3 \- 01MAY26](/bulletins/11033241.md), 2026-06-03, Service bulletin: ENGINE. Arduous customer drive cycles have been found to accelerate the degradation of engine oil, leading to generation of engine oil sludge deposits in high pressure engine oil galleries of the engine and inside the Continuous Variable Valve Lift \(CVVL\) unit.
- [SSM000017\-19DEC25](/bulletins/11027539.md), 2026-01-09, Other: ENGINE. Coolant fan may continue running at high speed after ignition shut\-off
- [JLRTB02127NAS6 \- 05NOV25](/bulletins/11026080.md), 2025-12-03, Service bulletin: ENGINE. Engine Coolant Level Low with no Visible Loss of Coolant
- [Discovery\_D011\_17OCT25](/bulletins/11024476.md), 2025-10-24, Other: ENGINE. Coolant Bypass Hose Leak
- [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.
- [SSM76361ATT2 \- 11JUL25](/bulletins/11021624.md), 2025-08-06, Other: ENGINE. Intermittent Low Coolant Warning Displayed But Coolant Level OK
- [SSM76361ATT1 \- 11JUL25](/bulletins/11021622.md), 2025-08-06, Other: ENGINE. Intermittent Low Coolant Warning Displayed But Coolant Level OK

JSON: [/v1/bulletins/10233821](/v1/bulletins/10233821)

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