# Service bulletin SSM73703 Attachm

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: 10148468
- Published by NHTSA: 2018\-11\-13
- Manufacturer's number: SSM73703 Attachm
- Manufacturer's date: 2018\-07\-05
- NHTSA component: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

## NHTSA's summary

Issue: Retailers are replacing under bonnet NVH inserts \(see Fig.1 \& 2 of the attachment for illustrations\) that are visually different between left and right hand side.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10148468-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10148468-0001.pdf)

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

## Components

Electrical system, Wiring and fuses

## Vehicles listed

- 2016 LAND ROVER DISCOVERY
- 2017 to 2018 LAND ROVER DISCOVERY
- 2015 LAND ROVER DISCOVERY SPORT

## Other bulletins for the same vehicles and component

- [SFCC\_JAN2022\_46](/bulletins/10207619.md), 2022-02-04, Service bulletin: SEATS; EQUIPMENT; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS. Seat Mounted Seat Switches Not Working
- [SSM73703](/bulletins/10148467.md), 2018-11-13, Service bulletin: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD. Issue: Retailers are replacing under bonnet NVH inserts \(see Fig.1 \& 2 of the attachment for illustrations\) that are visually different between left and right hand side.
- [LTB01198NAS2](/bulletins/10145620.md), 2018-10-15, Service bulletin: ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:TAILGATE. The Gesture Tailgate may unintentionally open when the vehicle is stationary and the key is in range.
- [SFCC\-14JUN18\-15\-](/bulletins/10145610.md), 2018-10-15, Service bulletin: ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:TAILGATE. A Customer may report that the gesture tailgate unintentionally opens when the vehicle is stationary and smart key is within range.
- [SSM73845](/bulletins/10142559.md), 2018-07-02, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. In the event that a SRS firing circuit is found to be damaged, please refer to SCN JLRP00128 and TOPIx \(workshop manual section 418\-02 \- Description and Operation ? Diagnosis and Testing\) for the updated wiring repair standard and guidelines.
- [SGI17\-41](/bulletins/10127551.md), 2018-01-29, Service bulletin: EQUIPMENT:MECHANICAL; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK. A potential issue has been identified on a limited number of Land Rover vehicles within the listed Affected Vehicle Range where the Deployable luggage compartment floor lever arm spigot ball may fracture in some instances, requiring the customer to manually close the Deployable Luggage Compartment Floor to permit the tailgate to self\-close. This program does not apply to any vehicle already registered and in use, either with the retailer or customer. Any vehicle already in use may continue to be driven and any repair instructions deemed necessary will be communicated through a separate Field Action or Technical Bulletin.
- [N060 UPS5017\-2BN](/bulletins/10127547.md), 2018-01-29, Service bulletin: ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK. An issue has been identified on certain vehicles within the listed Affected Vehicle Range where the Deployable luggage compartment floor lever arm spigot ball may fracture in some instances, requiring the customer to manually close the Deployable Luggage Compartment Floor to permit the tailgate to self\-close.
- [SSM71278](/bulletins/10106315.md), 2017-06-14, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:WIRING. ISSUE: A CUSTOMER MAY REPORT THE VEHICLE STEERING FEELS HEAVY FOLLOWING AN ECO STOP START EVENT, POTENTIALLY ACCOMPANIED BY VISUAL OR AUDIBLE WARNINGS THROUGH THE INSTRUMENT PACK.
- [SSM71278](/bulletins/10106162.md), 2017-06-13, Service bulletin: ELECTRICAL SYSTEM:WIRING; STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. VEHICLE STEERING FEELS HEAVIER THAN EXPECTED ACCOMPANIED BY VISUAL OR AUDIIBLE WARNINGS
- [SSM71278](/bulletins/10106104.md), 2017-06-13, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:WIRING. "ISSUE: A CUSTOMER MAY REPORT THE VEHICLE STEERING FEELS HEAVY POTENTIALLY ACCOMPANIED BY VISUAL OR AUDIBLE WARNINGS THROUGH THE INSTRUMENT PACK. THE FOLLOWING DTCS MAY ALSO BE LOGGED: EPAS DTCS LOGGED: \-B1304\-16: ELECTRONIC POWER ASSISTED STEERING \(EPAS\) SYSTEM CIRCUIT VOLTAGE BELOW THRESHOLD \-U3001\-00: POWER STEERING CONTROL MODULE \(PSCM\) SYSTEM IMPROPER SHUTDOWN. THESE MAY BE ACCOMPANIED BY: \-U0001\-87 / 88 HIGH SPEED CAN BUS INVALID SERIAL DATA RECEIVED / MISSING MESSAGE. CHCM DTCS LOGGED: \-U0131\-00 CHASSIS CONTROL MODULE \(CHCM\) LOST COMMS WITH PSCM. \-U3003\-62 BATTERY VOLTAGE SIGNAL COMPARE FAILURE. \-U0420\-68 CHCM INVALID DATA RECEIVED FROM PSCM. CAUSE: THIS MAY BE CAUSED BY: \-LOW BATTERY VOLTAGE. \-WIRING HARNESS ISSUE \(SHORT / OPEN CIRCUIT, HIGH RESISTANCE\). \-HIGH RESISTANCE AT EPAS EARTH TERMINAL \(FOR L405/L494\) G1D132 AND OR G4D178, \(SEE ATTACHED DIAGRAM\). OR IF ON L550/L538 HIGH RESISTANCE AT G1D122A, G1D122B, G1D122AZ AND G1D108. \-POOR CONNECTION OR PIN SET CONDITION AT CONNECTOR NUMBER: C11\-G1"

JSON: [/v1/bulletins/10148468](/v1/bulletins/10148468)

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