# Service bulletin LTB00838NAS1

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: 10105784
- Published by NHTSA: 2017\-06\-09
- Manufacturer's number: LTB00838NAS1
- Manufacturer's date: 2015\-09\-30
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:ELECTRICAL

## NHTSA's summary

"SITUATION: THE BATTERY MAY BE FLAT BATTERY AND/OR THE ENGINE MAY NOT START. CAUSE: THIS MAY BE CAUSED BY THE GATEWAY MODULE \(GWM\) STAYING AWAKE."

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Equipment and accessories, 12\-volt battery

## Vehicles listed

- 2015 LAND ROVER DISCOVERY SPORT

## Other bulletins for the same vehicles and component

- [SSM74284](/bulletins/10157146.md), 2019-04-08, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Vehicles may exhibit a no start complaint due to a repetitive intermittent flat battery. Initial diagnosis shows no fault found or no measurable quiescent drain.
- [SSM73823](/bulletins/10134903.md), 2018-04-23, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Customers report the ECO Stop/Start is not working. Retailers are testing the primary battery using the Midtronics EXP\-1080 tester which is reporting the battery is serviceable. The vehicle then returns with the same Customer concern of ECO Stop/Start inoperative. If a Midtronics GRX\-3080 is used, the primary battery fails the test. Replacement of the primary battery resolves the concern.
- [SSM73688](/bulletins/10127510.md), 2018-01-29, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Issue: Unable to resolve all customer concerns after successful recharge of a vehicle's primary or secondary battery.
- [SGI16\-53](/bulletins/10117029.md), 2017-09-08, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. DESCRIPTION OF ISSUE: A potential issue has been identified on a limited number of vehicles listed in the Affected Vehicle where the Gateway Module \(GWM\) stays awake and keeps the Controller Area Network \(CAN\) awake. This constant current drain of 3 amps causes the battery to go flat within a few days.
- [Q634NAS1](/bulletins/10117017.md), 2017-09-08, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Situation: An issue has been identified on a limited number of vehicles within the listed Affected Vehicle Range where the Gateway Module \(GWM\) stays awake and keeps the Controller Area Network \(CAN\) awake. This constant current drain of three \(3\) amps causes the battery to go flat within a few days.
- [SGI16\-53.2](/bulletins/10116220.md), 2017-08-25, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. DESCRIPTION OF ISSUE A potential issue has been identified on a limited number of Land Rover vehicles listed in the Affected Vehicle where the Gateway Module \(GWM\) stays awake and keeps the Controller Area Network \(CAN\) awake. This constant current drain of 3 amps causes the battery to go flat within a few days.
- [Q634NAS2](/bulletins/10116211.md), 2017-08-25, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SITUATION: An issue has been identified on a limited number of vehicles within the listed Affected Vehicle Range where the Gateway Module \(GWM\) stays awake and keeps the Controller Area Network \(CAN\) awake. This constant current drain of three \(3\) amps causes the battery to go flat within a few days.
- [SSM71278](/bulletins/10106315.md), 2017-06-14, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:WIRING. ISSUE: A CUSTOMER MAY REPORT THE VEHICLE STEERING FEELS HEAVY FOLLOWING AN ECO STOP START EVENT, POTENTIALLY ACCOMPANIED BY VISUAL OR AUDIBLE WARNINGS THROUGH THE INSTRUMENT PACK.
- [SSM72615](/bulletins/10106285.md), 2017-06-13, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. ISSUE: A CUSTOMER MAY REPORT THAT A LOW BATTERY WARNING MESSAGE IS DISPLAYED ON THE INSTRUMENT CLUSTER AND ECO STOP START UNAVAILABLE.
- [SSM72615](/bulletins/10106244.md), 2017-06-13, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. ISSUE: A CUSTOMER MAY REPORT THAT A LOW BATTERY WARNING MESSAGE IS DISPLAYED ON THE INSTRUMENT CLUSTER AND ECO STOP START UNAVAILABLE.

JSON: [/v1/bulletins/10105784](/v1/bulletins/10105784)

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