# Service bulletin SSM73902

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: 10146051
- Published by NHTSA: 2018\-10\-29
- Manufacturer's number: SSM73902
- Manufacturer's date: 2018\-06\-01
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Issue: A customer may express concern that during an in\-vehicle call, the 3rd party experiences a lot of echo with the 3rd party hearing their own voice after a short delay.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10146051-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10146051-0001.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2015 to 2018 LAND ROVER DISCOVERY SPORT

## Other bulletins for the same vehicles and component

- [SSM76411 \- 10MAR26](/bulletins/11030751.md), 2026-04-06, Other: ELECTRICAL SYSTEM. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
- [TUCC\_APR2025\_18](/bulletins/11017740.md), 2025-05-05, Other: ELECTRICAL SYSTEM. Leaking windshield that caused the water ingress on the electrical component.
- [SFCC\_DEC2023\_32](/bulletins/10248408.md), 2024-01-09, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Due to time required to complete in shop vehicle set up and workflow for Audio loss, it has been found that workflow may provide false result if IMC is not in a faulted state when workflow is run to identify potential Polar Switch Firmware fault.
- [SFCC\_NOV2023\_30](/bulletins/10246319.md), 2023-12-07, Service bulletin: ELECTRICAL SYSTEM. Startup battery keeps draining / Vehicle will not start
- [SSM75814](/bulletins/10243688.md), 2023-10-06, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. Weather and Park \& Pay Apps disappear after PIVI update
- [WACCSEP23\_6](/bulletins/10243682.md), 2023-10-06, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. Battery low warning displayed on instrument cluster and/or no\-start
- [SSM75939](/bulletins/10242074.md), 2023-09-08, Service bulletin: ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; EQUIPMENT; ELECTRICAL SYSTEM. PDC Park distance control no volume
- [SSM76039](/bulletins/10240274.md), 2023-08-02, Service bulletin: ELECTRICAL SYSTEM. Vehicle Will Not Charge
- [SSM76022](/bulletins/10239047.md), 2023-07-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS. JLR is investigating reports of vehicles being released to customers without the TCU Telematic Control Unit SOS Emergency Call being activated.
- [SFCC\_APR2023\_32](/bulletins/10235433.md), 2023-05-03, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. Customer reports of 12V battery issues. These range from battery low warning displayed to no\-start.

JSON: [/v1/bulletins/10146051](/v1/bulletins/10146051)

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