# Service bulletin JLRTB02078NAS1

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: 10189739
- Published by NHTSA: 2021\-04\-02
- Manufacturer's number: JLRTB02078NAS1
- Manufacturer's date: 2021\-03\-09
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

After a short sleep cycle the auto high beam menu is set to disabled and the auto high beam feature will not operate, with no ability to override this option.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189739-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189739-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2021 JAGUAR E\-PACE
- 2021 JAGUAR F\-PACE
- 2021 JAGUAR I\-PACE
- 2020 to 2021 LAND ROVER DEFENDER
- 2021 LAND ROVER DISCOVERY
- 2021 LAND ROVER DISCOVERY SPORT
- 2021 LAND ROVER RANGE ROVER
- 2020 to 2021 LAND ROVER RANGE ROVER EVOQUE
- 2021 LAND ROVER RANGE ROVER VELAR

## Recalls for the same vehicles and component

- [2024112](/recalls/tc/2024112.md), 2024-02-22: Lights And Instruments
- [24V134000](/recalls/nhtsa/24V134000.md), 2024-02-22: EXTERIOR LIGHTING:TURN SIGNAL
- [2022393](/recalls/tc/2022393.md), 2022-07-21: Lights And Instruments
- [22V525000](/recalls/nhtsa/22V525000.md), 2022-07-21: EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:TURN SIGNAL
- [2021355](/recalls/tc/2021355.md), 2021-06-08: Lights And Instruments
- [21V435000](/recalls/nhtsa/21V435000.md), 2021-06-08: EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:BRAKE LIGHTS; EXTERIOR LIGHTING:TAIL LIGHTS

## Other bulletins for the same vehicles and component

- [SSM000014\-18DEC25](/bulletins/11027542.md), 2026-01-09, Other: EXTERIOR LIGHTING. Intermittent fast flash from the turn signal indicator in the instrument cluster with no output from inner and outer tail lamps on the left and/or right side.
- [SSM76374\-09DEC25](/bulletins/11027514.md), 2026-01-08, Other: EXTERIOR LIGHTING. Intermittent loss of tail lamp turn signals.
- [TUCC\_DEC2025\_33](/bulletins/11027465.md), 2026-01-08, Other: EXTERIOR LIGHTING. The body tail lamp assemblies where LED function may be lost intermittently when Turn Signal is operated. This will present as a “fast flash” indicator in the instrument cluster to indicate the lamp is not operating.
- [SFCC\_MAR2024\_61](/bulletins/10252760.md), 2024-04-05, Service bulletin: POWER TRAIN; INTERIOR LIGHTING; UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Lack of power, MIL light on, rough idle
- [SFCC\_OCT2023\_50](/bulletins/10244963.md), 2023-11-06, Service bulletin: EXTERIOR LIGHTING. There is moisture inside the headlamp lens
- [SFCC\_OCT2023\_47](/bulletins/10244958.md), 2023-11-06, Service bulletin: EXTERIOR LIGHTING. The headlamps not fully functioning properly after module replacement.
- [SSM76076](/bulletins/10243700.md), 2023-10-06, Service bulletin: EXTERIOR LIGHTING. Front Headlamp Washer Jet Leaking / Rear Camera Washer Jet Leaking
- [SFCC\_SEP2023\_41](/bulletins/10243677.md), 2023-10-06, Service bulletin: EQUIPMENT; EXTERIOR LIGHTING:HEADLIGHTS. The headlamp washer jet nozzles are leaking fluid when not operating the washers
- [LTB01304NAS2](/bulletins/10217085.md), 2022-08-03, Service bulletin: EXTERIOR LIGHTING. Outer Tail Lamps Water Ingress/Cracking lenses/Noise When Driving
- [BIG5JUN22\_26](/bulletins/10215512.md), 2022-07-07, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS; ELECTRICAL SYSTEM. FRONT LAMP UNIT SOFTWARE

JSON: [/v1/bulletins/10189739](/v1/bulletins/10189739)

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