# Service bulletin Big 5\_06JUL20\_36

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: 10178082
- Published by NHTSA: 2020\-08\-07
- Manufacturer's number: Big 5\_06JUL20\_36
- Manufacturer's date: 2020\-07\-13
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

## NHTSA's summary

The battery cable ground stud may be loose in the body and needs to be replaced. Insufficient ground contact may lead to intermittent operation of electrical equipment.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10178082-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10178082-9999.pdf)

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

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2019 to 2020 LAND ROVER DISCOVERY

## 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
- [2021381](/recalls/tc/2021381.md), 2021-06-17: Electrical
- [21V457000](/recalls/nhtsa/21V457000.md), 2021-06-17: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [2020533](/recalls/tc/2020533.md), 2020-11-10: Electrical
- [20V694000](/recalls/nhtsa/20V694000.md), 2020-11-10: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## Other bulletins for the same vehicles and component

- [SSM76411 \- 10MAR26](/bulletins/11030751.md), 2026-04-06, Other: ELECTRICAL SYSTEM. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
- [TUCC\_FEB2026\_35](/bulletins/11029600.md), 2026-03-04, Other: ELECTRICAL SYSTEM. There is a concern with the 48Volt charging system\(DC/DC\) with the vehicle.
- [TUCC\_FEB2026\_34](/bulletins/11029598.md), 2026-03-04, Other: ELECTRICAL SYSTEM. There is a concern/fault with the 48Volt MHEV system.
- [TUCC\_FEB2026\_33](/bulletins/11029576.md), 2026-03-04, Other: ELECTRICAL SYSTEM. 12V STARTUP BATTERY FLAT \- MILD HYBRID ELECTRIC VEHICLE \(MHEV\)
- [252602.027 \- 12FEB26](/bulletins/11029556.md), 2026-03-04, Service bulletin: ELECTRICAL SYSTEM. Once the vehicle is powered down via ignition cycle, it may not restart depending on remaining residual charge.
- [TUCC\_JAN2026\_25](/bulletins/11028601.md), 2026-02-06, Other: ELECTRICAL SYSTEM. There is a concern with the 48Volt charging system\(DC/DC\) with the vehicle.
- [TUCC\_DEC2025\_39](/bulletins/11027472.md), 2026-01-08, Other: ELECTRICAL SYSTEM. A battery warning light on and or electrical system failure message is displayed on instrument cluster.
- [Discovery\_N861\_20JUN25](/bulletins/11020386.md), 2025-07-08, Other: ELECTRICAL SYSTEM. Mild Hybrid Electric Vehicle \(MHEV\) Battery Offline
- [TUCC\_APR2025\_18](/bulletins/11017740.md), 2025-05-05, Other: ELECTRICAL SYSTEM. Leaking windshield that caused the water ingress on the electrical component.
- [SFCC\_MAR2025\_45](/bulletins/11016650.md), 2025-04-07, Other: ELECTRICAL SYSTEM. 'Stop Safely Electrical Fault Detected' warning message displayed in the message center.

JSON: [/v1/bulletins/10178082](/v1/bulletins/10178082)

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