# Service bulletin N155NAS2

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: 10142787
- Published by NHTSA: 2018\-07\-16
- Manufacturer's number: N155NAS2
- Manufacturer's date: 2018\-05\-25
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This Service Action supersedes Update Prior to Sale UPS0418 with immediate effect. An issue has been identified on certain vehicles within the listed Affected Vehicle Range where it is not always possible to operate the controls on the lower Interactive Control Display Module \(ICDM\) and that the Interactive Display Module 'A' \(IDMA\) will keep flickering off/on with the deployment of the Touchscreen. This issue is more prevalent at colder temperatures and the Touchscreens will remain in this condition for the complete drive cycle.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10142787-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10142787-0001.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2018 LAND ROVER RANGE ROVER SPORT

## 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\_OCT2024\_50](/bulletins/11010196.md), 2024-11-07, Other: ELECTRICAL SYSTEM. The instrument panel may display an amber High Voltage \(HV\) system warning message \& a Malfunction Indication Lamp \(MIL\) at the end of a charging cycle before the charging cable is removed.
- [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
- [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
- [SFCC\_JUL2023\_31](/bulletins/10240210.md), 2023-08-02, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. Battery low warning displayed on instrument cluster and/or no\-start.

JSON: [/v1/bulletins/10142787](/v1/bulletins/10142787)

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