# Service bulletin JLRTB02061NAS1

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: 10186711
- Published by NHTSA: 2021\-02\-05
- Manufacturer's number: JLRTB02061NAS1
- Manufacturer's date: 2021\-01\-06
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

The amber 'Low Coolant' warning message is displayed on the Instrument Panel Cluster\(IPC\). Further investigation has found no engine coolant leaks and the engine coolantexpansion tank is filled to the correct level.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186711-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186711-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2020 LAND ROVER DEFENDER

## Recalls for the same vehicles and component

- [2024599](/recalls/tc/2024599.md), 2024-10-10: Engine
- [23V044000](/recalls/nhtsa/23V044000.md), 2023-02-02: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
- [2021353](/recalls/tc/2021353.md), 2021-06-03: Engine

## Other bulletins for the same vehicles and component

- [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.
- [Defender\_N811 02\-20\-2026](/bulletins/11029848.md), 2026-03-06, Other: ENGINE. Door Zone Module \- Quiescent Drain
- [SSM000017\-19DEC25](/bulletins/11027539.md), 2026-01-09, Other: ENGINE. Coolant fan may continue running at high speed after ignition shut\-off
- [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.
- [SSM76317ATT \- 28APR25](/bulletins/11017768.md), 2025-05-05, Other: ENGINE. Engine Will Crank, No Start When At Operating Temperature
- [SSM76317 \- 28APR25](/bulletins/11017767.md), 2025-05-05, Other: ENGINE. Engine Will Crank, No Start When At Operating Temperature
- [TUCC\_APR2025\_20](/bulletins/11017741.md), 2025-05-05, Other: ENGINE. Engine replacement under warranty.
- [SFCC\_MAR2025\_47](/bulletins/11016652.md), 2025-04-07, Other: ENGINE. Low coolant lamp comes on and/or leak of coolant from engine area.
- [SSM76269](/bulletins/11015350.md), 2025-03-07, Other: ENGINE. Turbocharger Coolant Feed And Return Pipe O\-Ring Leak
- [SSM76249ATT3](/bulletins/11015335.md), 2025-03-07, Other: ENGINE. Thermostat Housing Engine Coolant Leak

JSON: [/v1/bulletins/10186711](/v1/bulletins/10186711)

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