# Service bulletin Q634NAS1

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: 10117017
- Published by NHTSA: 2017\-09\-08
- Manufacturer's number: Q634NAS1
- Manufacturer's date: 2016\-11\-23
- NHTSA component: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10117017-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10117017-0001.pdf)

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

## Components

Electrical system, 12\-volt battery

## Vehicles listed

- 2016 LAND ROVER DISCOVERY
- 2015 LAND ROVER DISCOVERY SPORT
- 2015 to 2016 LAND ROVER RANGE ROVER
- 2015 to 2016 LAND ROVER RANGE ROVER SPORT

## Other bulletins for the same vehicles and component

- [SFCC\_APR20\_PG19](/bulletins/10174467.md), 2020-05-01, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. The Check Engine Lamp is on and there is a lack of power.
- [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.
- [SSM74232Attachme](/bulletins/10157142.md), 2019-04-08, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Customer reports: Battery is discharged Vehicle is displaying a low battery warning Terrain Response Switchpack LEDs flashing \(see attachment\) with engine off
- [SSM74232](/bulletins/10157141.md), 2019-04-08, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Customer reports: Battery is discharged Vehicle is displaying a low battery warning Terrain Response Switchpack LEDs flashing \(see attachment\) with engine off
- [SSM74232Attachme](/bulletins/10155613.md), 2019-04-01, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Customer reports: Battery is discharged Vehicle is displaying a low battery warning Terrain Response Switchpack LEDs flashing \(see attachment\) with engine off
- [SSM74232](/bulletins/10155612.md), 2019-04-01, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Customer reports: Battery is discharged Vehicle is displaying a low battery warning Terrain Response Switchpack LEDs flashing \(see attachment\) with engine off
- [SSM74232A](/bulletins/10154054.md), 2019-03-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Customer reports: Battery is discharged Vehicle is displaying a low battery warning Terrain Response Switchpack LEDs flashing \(see attachment\) with engine off
- [SSM74232](/bulletins/10154053.md), 2019-03-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Customer reports: Battery is discharged Vehicle is displaying a low battery warning Terrain Response Switchpack LEDs flashing \(see attachment\) with engine off
- [SFCC\_09AUG18\_REV](/bulletins/10146389.md), 2018-11-05, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery draining overnight
- [LTB01080NAS2](/bulletins/10146365.md), 2018-11-05, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. The engine MIL \(Malfunction Indicator Lamp\) may be illuminated. Upon further diagnosis, the Technician may find DTC \(Diagnostic Trouble Code\) P0089\-64 and/or P0089\-92 stored in the Powertrain Control Module \(PCM\).

JSON: [/v1/bulletins/10117017](/v1/bulletins/10117017)

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