# Service bulletin SSM74147

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: 10152019
- Published by NHTSA: 2018\-12\-17
- Manufacturer's number: SSM74147
- Manufacturer's date: 2018\-11\-05
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

SOS Limited Functionality displayed on the Instrument Cluster \(IC\) and Multiple Diagnostic Trouble Codes \(DTC?s\) may be stored in the Telematics Control Module \(TCU\). All or a combination of the following DTC?s may be present in the TCU: B1A56\-11 \- Antenna \- Circuit short to ground \(GSM antenna circuit short circuit to ground\) B1A56\-15 \- Antenna \- Circuit short to battery or open \(GSM antenna circuit short circuit to power, open circuit, high resistance\) B119F\-01 \- GPS Antenna \- General electrical failure \(Global positioning system antenna circuit short circuit to ground, short circuit to power\) B119F\-13 \- GPS Antenna \- Circuit open \(Global positioning system antenna circuit open circuit, high resistance\) SOS Limited Functionality may affect the TCU's ability to support the ECall function when required by the customer.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10152019-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10152019-0001.pdf)

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

## Components

Electrical system

## Trouble codes named

B119F, B1A56

## Vehicles listed

- 2016 LAND ROVER DISCOVERY
- 2017 LAND ROVER DISCOVERY
- 2016 to 2017 LAND ROVER RANGE ROVER
- 2016 to 2017 LAND ROVER RANGE ROVER EVOQUE
- 2016 to 2017 LAND ROVER RANGE ROVER SPORT

## Recalls for the same vehicles and component

- [23V393000](/recalls/nhtsa/23V393000.md), 2023-06-01: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; LATCHES/LOCKS/LINKAGES:DOORS:LATCH
- [20V143000](/recalls/nhtsa/20V143000.md), 2020-03-12: ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING
- [18V337000](/recalls/nhtsa/18V337000.md), 2018-05-23: ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE
- [17V679000](/recalls/nhtsa/17V679000.md), 2017-10-26: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## 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\_AUG2024\_24](/bulletins/11007176.md), 2024-09-06, Other: ELECTRICAL SYSTEM. concern has been identified on certain JLR vehicles, where the Body Control Module \(BCM\) does not fully meet US importation requirements. The requires BCM replacement with a new component which fully meets the US importation requirements.
- [N808 ER v1](/bulletins/10251543.md), 2024-03-08, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN. Certain 2017 to 2019 Land Rover vehicles equipped with TDV6 3.0L Diesel engines and Ingenium I4 2.0L Diesel engines, when connected to a diagnostic scan tool during the California SMOG test, the Powertrain Control Module \(PCM\) incorrectly reports the monitor readiness status as not supported.
- [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
- [SSM75869](/bulletins/10242071.md), 2023-09-08, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Coolant Low Warning Message Displayed On The Instrument Panel Cluster
- [SSM76039](/bulletins/10240274.md), 2023-08-02, Service bulletin: ELECTRICAL SYSTEM. Vehicle Will Not Charge

JSON: [/v1/bulletins/10152019](/v1/bulletins/10152019)

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