# Service bulletin JTB00446NAS3

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: 10096953
- Published by NHTSA: 2017\-04\-06
- Manufacturer's number: JTB00446NAS3
- Manufacturer's date: 2016\-02\-05
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

## NHTSA's summary

"SITUATION: THE VEHICLE BATTERY MAY BE FLAT OR ONE OF THE FOLLOWING MESSAGES/WARNING LIGHTS MAY BE DISPLAYED ON THE INSTRUMENT CLUSTER. • FAULTY GENERATOR • FAULTY BATTERY MONITORING SYSTEM \(BMS\) • THE CHARGE WARNING INDICATOR IS ILLUMINATED WHEN THE ENGINE IS RUNNING CAUSE: THE POWER SUPPLY IS A FULLY INTEGRATED SYSTEM THAT REQUIRES SDD TO DIAGNOSE OVERALL FUNCTIONALITY ROBUSTLY TO MAKE SURE CUSTOMER SATISFACTION IS MET VIA RIGHT FIRST TIME DIAGNOSIS."

## 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

- 2014 to 2016 JAGUAR F\-TYPE
- 2010 to 2016 JAGUAR XF
- 2010 to 2016 JAGUAR XJ
- 2010 to 2015 JAGUAR XK

## Other bulletins for the same vehicles and component

- [JTB00545NAS1](/bulletins/10159478.md), 2019-05-13, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. The Central locking/unlocking feature may not operate after disconnecting and connecting the vehicle startup battery.
- [SSM74285](/bulletins/10155299.md), 2019-03-25, 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.
- [SSM74048](/bulletins/10148529.md), 2018-11-13, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. Customers may complain that the Wireless Head Phones for Dual Screen View or Rear Seat Entertainment are inoperative.
- [SSM73824](/bulletins/10141087.md), 2018-06-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Action: When completing Primary battery diagnosis for Eco Stop concerns, it is recommended to use the Midtronics GRX\-3080 battery tester. JLR are currrently investigating a hand held battery tester to replace the Midtronics EXP\-1080. The Midtronics EXP\-1080 can be used for PD1 and battery checks.
- [SSM73588 Attachm](/bulletins/10141075.md), 2018-06-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Issue: Customers may report a flat battery or ?Low Battery \- Please Start Engine? message after the vehicle has been standing for 24 to 60 hours.
- [SSM73588 Attachm](/bulletins/10141074.md), 2018-06-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Issue: Customers may report a flat battery or ?Low Battery \- Please Start Engine? message after the vehicle has been standing for 24 to 60 hours.
- [SSM73588](/bulletins/10141073.md), 2018-06-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Issue: Customers may report a flat battery or ?Low Battery \- Please Start Engine? message after the vehicle has been standing for 24 to 60 hours.
- [SSM73588 Attachm](/bulletins/10127574.md), 2018-01-29, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Issue: Customers may report a flat battery or ?Low Battery \- Please Start Engine? message after the vehicle has been standing for 24 to 60 hours
- [SSM73588 Attachm](/bulletins/10127573.md), 2018-01-29, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Issue: Customers may report a flat battery or ?Low Battery \- Please Start Engine? message after the vehicle has been standing for 24 to 60 hours
- [SSM73588](/bulletins/10127572.md), 2018-01-29, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Issue: Customers may report a flat battery or ?Low Battery \- Please Start Engine? message after the vehicle has been standing for 24 to 60 hours

JSON: [/v1/bulletins/10096953](/v1/bulletins/10096953)

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