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Service bulletin BIG5JAN24_26

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10249842
Published by NHTSA2024-02-07
Manufacturer's numberBIG5JAN24_26
Manufacturer's date2024-01-16
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Potential manufacturing issue with AJ126 replacement engines.

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

Vehicles listed
JAGUAR F-PACE2016
LAND ROVER DISCOVERY2016
LAND ROVER DISCOVERY2017
LAND ROVER DISCOVERY SPORT2014
LAND ROVER DISCOVERY SPORT2015
LAND ROVER RANGE ROVER2013, 2014
LAND ROVER RANGE ROVER SPORT2013, 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TUCC_FEB2026_222026-03-04. Other. GTDI BRAZED TURBOCHARGER CRACK EXTENDED WARRANTY
D085 - 02FEB262026-03-04. Service bulletin. GTDI Brazed Turbocharger Crack Extended Warranty
SSM76317ATT - 28APR252025-05-05. Other. Engine Will Crank, No Start When At Operating Temperature
SSM76317 - 28APR252025-05-05. Other. Engine Will Crank, No Start When At Operating Temperature
SSM761492024-11-07. Other. Fuel Pump Driver Module Inoperative
BIG5MAR24_34b2024-04-05. Service bulletin. 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.
SFCC_FEB2024_352024-03-06. Service bulletin. After thermostat replacement, the instrument cluster says that the engine is overheating while driving.
NAS24.01.0012024-02-07. Service bulletin. Potential manufacturing issue with replacement thermostats
BIG5JAN24_272024-02-07. Service bulletin. POTENTIAL MANUFACTURING ISSUE WITH REPLACEMENT THERMOSTATS.
NAS23.12.0012024-02-07. Service bulletin. Potential manufacturing issue with AJ126 engines.