# Service bulletin SSM74326

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: 10158982
- Published by NHTSA: 2019\-04\-22
- Manufacturer's number: SSM74326
- Manufacturer's date: 2019\-03\-14
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN

## NHTSA's summary

The Check Engine Lamp is illuminated and DTC P2170\-11 is stored in the PCM. A Restricted Performance message may also be reported.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10158982-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10158982-9999.pdf)

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

## Components

Electrical system, Transmission and driveline

## Trouble codes named

P2170

## Vehicles listed

- 2016 LAND ROVER DISCOVERY
- 2017 to 2019 LAND ROVER DISCOVERY
- 2015 LAND ROVER DISCOVERY SPORT
- 2012 to 2019 LAND ROVER RANGE ROVER EVOQUE

## 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
- [2020533](/recalls/tc/2020533.md), 2020-11-10: Electrical
- [20V694000](/recalls/nhtsa/20V694000.md), 2020-11-10: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [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
- [16V614000](/recalls/nhtsa/16V614000.md), 2016-08-23: POWER TRAIN:AUTOMATIC TRANSMISSION
- [2016407](/recalls/tc/2016407.md), 2016-08-19: Powertrain

## Other bulletins for the same vehicles and component

- [N861 Range Rover 18SEP26](/bulletins/11038355.md), 2026-10-07, Other: POWER TRAIN. Malfunction Indicator Lamp \(MIL\), loss of start/stop functionality and no communication during diagnostic sessions.
- [N881 Discovery 18SEP26](/bulletins/11038354.md), 2026-10-07, Other: POWER TRAIN. Malfunction Indicator Lamp \(MIL\) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
- [N881 Discovery 21AUG26](/bulletins/11037144.md), 2026-09-08, Other: POWER TRAIN. Malfunction Indicator Lamp \(MIL\) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
- [N881 Discovery 17JUL26](/bulletins/11035876.md), 2026-08-05, Other: POWER TRAIN. Powertrain Control Module \(PCM\) Software Update
- [N861 Range Rover 17JUL26](/bulletins/11035875.md), 2026-08-05, Other: ELECTRICAL SYSTEM. Mild Hybrid Electric Vehicle \(MHEV\) Battery Offline
- [N881 Discovery 16JUN26](/bulletins/11034937.md), 2026-07-08, Other: POWER TRAIN. Malfunction Indicator Lamp \(MIL\) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
- [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.
- [N881 Discovery 15MAY26](/bulletins/11033429.md), 2026-06-04, Other: POWER TRAIN. Malfunction Indicator Lamp \(MIL\) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
- [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.
- [N881 Discovery 17APR26](/bulletins/11032430.md), 2026-05-07, Other: POWER TRAIN. Malfunction Indicator Lamp \(MIL\) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.

JSON: [/v1/bulletins/10158982](/v1/bulletins/10158982)

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