# Service bulletin SFCC\_JAN2023\_49

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: 10231371
- Published by NHTSA: 2023\-02\-07
- Manufacturer's number: SFCC\_JAN2023\_49
- Manufacturer's date: 2023\-01\-13
- NHTSA component: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:SENSOR/THERMOSTAT

## NHTSA's summary

Customer reports coolant level low message on dash, Yellow check engine light, Red Engine temperature light, or poor idle.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231371-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231371-9999.pdf)

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

## Components

Electrical system, Hybrid and electric drive, Transmission and driveline, Automatic transmission, High\-voltage battery, Transmission control module

## Vehicles listed

- 2022 to 2023 LAND ROVER RANGE ROVER
- 2023 LAND ROVER RANGE ROVER SPORT

## Recalls for the same vehicles and component

- [23V568000](/recalls/nhtsa/23V568000.md), 2023-08-10: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

## Other bulletins for the same vehicles and component

- [SFCC\_MAR2024\_61](/bulletins/10252760.md), 2024-04-05, Service bulletin: POWER TRAIN; INTERIOR LIGHTING; UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Lack of power, MIL light on, rough idle
- [SFCC\_MAR2024\_25](/bulletins/10252754.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE \(BMS/BECM\):SOFTWARE; ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT; ELECTRICAL SYSTEM. A concern has been identified where the 48V Mild Hybrid Electric Vehicle \(MHEV\) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp \(MIL\), loss of start/stop functionality and no communication during diagnostic sessions. A software update to the Battery Energy Control Module \(BECM\) is required.
- [SFCC\_SEP2023\_16](/bulletins/10243671.md), 2023-10-06, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT; EQUIPMENT. On certain 2023 model year Range Rover and Range Rover Sport Plug\-in Hybrid Electric Vehicle \(PHEV\) vehicles, the battery heater coolant hoses may have been incorrectly installed.
- [BIG5SEP23\_33b](/bulletins/10243669.md), 2023-10-06, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT; EQUIPMENT. A concern has been identified on certain vehicles where the battery heater coolant hoses may have been incorrectly installed.
- [SFCC\_JUN2023\_41](/bulletins/10239014.md), 2023-07-10, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ADD 1 LITRE / QUART OF ENGINE OIL MESSAGE ON INSTRUENT CLUSTER
- [SFCC\_MAY2023\_30](/bulletins/10237530.md), 2023-06-07, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; EQUIPMENT. Customers will be reporting PHEV High Voltage battery will not take a charge.
- [SFCC\_NOV2022\_29](/bulletins/10227335.md), 2022-12-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING; POWER TRAIN. Customer reports coolant level low message on dash or a coolant leak.
- [SSM75186](/bulletins/10222679.md), 2022-10-07, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; EQUIPMENT. HIGH VOLTAGE COOLANT HEATER INTERNAL FAILURE
- [SSM75701](/bulletins/10210108.md), 2022-04-07, Service bulletin: EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. 8HP 8\-Speed Automatic Transmission replacements due to Automatic Transmission Fluid \(ATF\) contamination with coolant.

JSON: [/v1/bulletins/10231371](/v1/bulletins/10231371)

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