# Service bulletin JLRTB02020NAS2

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: 10174437
- Published by NHTSA: 2020\-05\-01
- Manufacturer's number: JLRTB02020NAS2
- Manufacturer's date: 2020\-04\-27
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

The Malfunction Indicator Lamp \(MIL\) is illuminated on the Instrument Panel Cluster \(IPC\) with reduced engine performance. Further investigation has shown that Diagnostic Trouble Code\(s\) \(DTC\) P2170\-11 is stored in the Powertrain Control Module \(PCM\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174437-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174437-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

P2170

## Vehicles listed

- 2018 to 2019 JAGUAR E\-PACE
- 2018 to 2019 LAND ROVER DISCOVERY SPORT
- 2018 to 2019 LAND ROVER RANGE ROVER EVOQUE

## Other bulletins for the same vehicles and component

- [N861 Range Rover 17JUL26](/bulletins/11035875.md), 2026-08-05, Other: ELECTRICAL SYSTEM. Mild Hybrid Electric Vehicle \(MHEV\) Battery Offline
- [N861 Range Rover 16JUN26](/bulletins/11034884.md), 2026-07-08, Other: ELECTRICAL SYSTEM. 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.
- [N861 Range Rover 15MAY26](/bulletins/11033423.md), 2026-06-04, Other: ELECTRICAL SYSTEM. 48V Mild Hybrid Electric Vehicle \(MHEV\) battery enters an offline state and no longer communicates or functions as intended.
- [N861 Range Rover 17APR26](/bulletins/11032423.md), 2026-05-07, Other: ELECTRICAL SYSTEM. On certain 48V Mild Hybrid Electric Vehicle \(MHEV\) battery enters an offline state and no longer communicates or functions as intended. Malfunction Indicator Lamp \(MIL\) might be illuminated,
- [SSM76412 \- 10MAR26](/bulletins/11030752.md), 2026-04-06, Other: ELECTRICAL SYSTEM. Smart Key Deactivated message on instrument cluster and is unable to start their vehicle.
- [SSM76411 \- 10MAR26](/bulletins/11030751.md), 2026-04-06, Other: ELECTRICAL SYSTEM. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
- [Range Rover\_N861 02\-20\-20](/bulletins/11029857.md), 2026-03-06, Other: ELECTRICAL SYSTEM. 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.
- [TUCC\_DEC2025\_39](/bulletins/11027472.md), 2026-01-08, Other: ELECTRICAL SYSTEM. A battery warning light on and or electrical system failure message is displayed on instrument cluster.
- [Range Rover\_N861\_17OCT25](/bulletins/11024661.md), 2025-10-31, Other: ELECTRICAL SYSTEM. Mild Hybrid Electric Vehicle \(MHEV\) Battery Offline
- [Range Rover\_N861\_18AUG25](/bulletins/11022599.md), 2025-09-04, Other: ELECTRICAL SYSTEM. 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 \(MIL\),

JSON: [/v1/bulletins/10174437](/v1/bulletins/10174437)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20JLRTB02020NAS2&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10174437&vehicle=Service%20bulletin%20JLRTB02020NAS2)