# Service bulletin UPS1520\-1bNAS1

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: 10173516
- Published by NHTSA: 2020\-04\-07
- Manufacturer's number: UPS1520\-1bNAS1
- Manufacturer's date: 2020\-03\-09
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

A potential issue has been identified on certain vehicles within the listed Affected Vehicle Range which may experience restricted performance and a 'Gearbox Fault Detected' warning message displayed on the Instrument Panel Cluster \(IPC\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173516-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173516-9999.pdf)

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

## Components

Transmission and driveline, Automatic transmission

## Vehicles listed

- 2020 LAND ROVER DISCOVERY
- 2020 LAND ROVER RANGE ROVER EVOQUE

## Other bulletins for the same vehicles and component

- [N881](/bulletins/10252786.md), 2024-04-05, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN. On certain 2017 model year to 2020 model year Land Rover and Range Rover vehicles the Malfunction Indicator Lamp \(MIL\) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off. Diagnostic Trouble Codes \(DTC\) P0496\-00 may be stored in the Powertrain Control Module \(PCM\) .
- [N747v3](/bulletins/10252784.md), 2024-04-05, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN. CLOSED ISSUE \- On certain 2017 to 2020 model year Land Rover vehicles the Malfunction Indicator Lamp \(MIL\) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off. Diagnostic Trouble Codes \(DTC\) P0496\-00 may be stored in the Powertrain Control Module \(PCM\).
- [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\_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.
- [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.
- [SFCC\_MAR2021\_31](/bulletins/10190065.md), 2021-04-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM. Lost Communication With Battery Energy Control Module "A"
- [SFCC Jul20\_18](/bulletins/10178148.md), 2020-08-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. The Check Engine MIL is on. There is a lack of power from the engine.
- [N451NAS1](/bulletins/10177142.md), 2020-07-08, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range which may experience excessive engine cooling fan noise in the passenger compartment and eventual degradation of the engine cooling system performance.
- [NAS20.03.004](/bulletins/10173521.md), 2020-04-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\). An issue has been identified on a limited number of Land Rover vehicles within the listed Affected Vehicle Range which may experience restricted performance and a 'Gearbox Fault Detected' warning message displayed on the Instrument Panel Cluster \(IPC\).

JSON: [/v1/bulletins/10173516](/v1/bulletins/10173516)

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