# Service bulletin LTB00795NAS1

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: 10105587
- Published by NHTSA: 2017\-06\-08
- Manufacturer's number: LTB00795NAS1
- Manufacturer's date: 2015\-08\-03
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; TRACTION CONTROL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

"SITUATION: A 'TRANSMISSION FAULT \- TRACTION REDUCED' MESSAGE MAY BE DISPLAYED ON THE INSTRUMENT CLUSTER. UPON DIAGNOSIS, DIAGNOSTIC TROUBLE CODE \(DTC\) P1889\-14 IS FOUND TO BE STORED. CAUSE: THIS MAY BE CAUSED BY INSUFFICIENT SPRING LOAD FOR COMMUTATOR BAR BRUSHES IN THE ACTIVE ON\-DEMAND COUPLING OIL PUMP."

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Driver assistance, Transmission and driveline, Automatic transmission

## Trouble codes named

P1889

## Vehicles listed

- 2010 to 2014 LAND ROVER LR2
- 2012 to 2015 LAND ROVER RANGE ROVER EVOQUE

## Recalls for the same vehicles and component

- [16V614000](/recalls/nhtsa/16V614000.md), 2016-08-23: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [LTB00500NAS2](/bulletins/10224530.md), 2022-10-24, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Technical Bulletin: Transmisslion Quality Improvement Calibration
- [LTB00500NAS2](/bulletins/10214052.md), 2022-06-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Technical Bulletin: Transmisslion Quality Improvement Calibration
- [LTB00478NAS2](/bulletins/10214042.md), 2022-06-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Technical Bulletin: Transmission Fault \- Tr action Reduced' Message Displayed
- [LTB00455NAS1](/bulletins/10214033.md), 2022-06-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Technical Bulletin: Transmission Control Switch Module DTC Diagnostics
- [SSM66837A](/bulletins/10206594.md), 2022-01-18, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\). The gearshift interlock button inoperative or spring has come adrift
- [SSM66837](/bulletins/10206593.md), 2022-01-18, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\). The gearshift interlock button inoperative or spring has come adrift
- [Q355NAS1](/bulletins/10204911.md), 2021-12-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Technical Bulletin: Transmission Control Switch Fails to Rise
- [Q355UPS66132bNAS](/bulletins/10204910.md), 2021-12-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Technical Bulletin: Transmission Control Switch Fails to Rise
- [NAS20.03.002](/bulletins/10173519.md), 2020-04-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 9HP Transmission Extended Warranty \- USA
- [SSM73959](/bulletins/10148477.md), 2018-11-13, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Issue: The customer reports reduced performance with P0191\-85 observed in the PCM. This may or may not also illuminate the MIL.

JSON: [/v1/bulletins/10105587](/v1/bulletins/10105587)

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