# Service bulletin SSM73587

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: 10127530
- Published by NHTSA: 2018\-01\-29
- Manufacturer's number: SSM73587
- Manufacturer's date: 2017\-11\-02
- NHTSA component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

## NHTSA's summary

Issue: A customer may report that there is a noticeable temperature difference between the left hand and right hand Heating Ventilation Air Conditioning \(HVAC\) vents when the temperatures selected on the front integrated control panel are set to the same value. During diagnosis using Pathfinder it may be evident that there are no Diagnostic Trouble Codes \(DTCs\) stored in the \(HVAC\) module.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10127530-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10127530-0001.pdf)

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

## Components

Equipment and accessories, Heating and air conditioning

## Vehicles listed

- 2017 to 2018 LAND ROVER DISCOVERY

## Other bulletins for the same vehicles and component

- [JLRTB02079NAS2](/bulletins/10252772.md), 2024-04-05, Service bulletin: STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT. Creaking Noise From Glass Roof Panel
- [SFCC\_MAR2024\_70](/bulletins/10252766.md), 2024-04-05, Service bulletin: STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT. A creaking type noise from the roof area is heard while driving.
- [BIG5MAR24\_34b](/bulletins/10252743.md), 2024-04-05, Service bulletin: FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. A concern has been identified where on certain vehicles equipped with TDV6 3.0L Diesel 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'. A software update to the PCM is needed.
- [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\_SEP2023\_46](/bulletins/10243681.md), 2023-10-06, Service bulletin: EQUIPMENT. The sunglass holder won’t open or does not operate correctly
- [SFCC\_JUN2023\_46](/bulletins/10239018.md), 2023-07-10, Service bulletin: LATCHES/LOCKS/LINKAGES:DOORS:LATCH; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE:BODY:DOOR. A customer may report that the front or rear door latch does not operate as expected.
- [SSM75951](/bulletins/10232708.md), 2023-03-08, Service bulletin: EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Customers are reporting that connected services such as Online Media \(e.g., Spotify\), Connected Nav, Weather App \& Parking app are inoperative.
- [SSM75825ATT](/bulletins/10229586.md), 2023-01-10, Service bulletin: EQUIPMENT. MHEV DC/DC Converter \- Squeaking Noise From Inside The Cabin.
- [SSM75825](/bulletins/10229585.md), 2023-01-10, Service bulletin: EQUIPMENT. MHEV DC/DC Converter \- Squeaking Noise From Inside The Cabin.
- [SSM75825ATT](/bulletins/10227458.md), 2022-12-07, Service bulletin: EQUIPMENT. MHEV DC/DC Converter \- Squeaking Noise From Inside The Cabin.

JSON: [/v1/bulletins/10127530](/v1/bulletins/10127530)

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