WenmarOpen by Wenmar Pro

Service bulletin KA-01047 V2

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10194737
Published by NHTSA2021-06-02
Manufacturer's numberKA-01047 V2
Manufacturer's date2021-05-11
NHTSA componentELECTRICAL SYSTEM; SERVICE BRAKES

NHTSA's summary

Brake Light Switch (BLS) Adjustment Fault

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Electrical system

Vehicles listed
MCLAREN 540C2016, 2017, 2018, 2019, 2020
MCLAREN 5702016 to 2017
MCLAREN 570 GT2016, 2017, 2018, 2019, 2020
MCLAREN 570S2018, 2019, 2020
MCLAREN 600LT2019
MCLAREN 625C2015
MCLAREN 650S2015, 2016
MCLAREN 675 LONGTAIL2015 to 2016
MCLAREN 720S2018, 2019, 2020, 2021
MCLAREN 765LT2020 to 2021
MCLAREN P12014, 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V2160002025-04-09. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
20214902021-08-06. Brakes
21V5610002021-07-23. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
KA-01940 V22026-10-02. Other. P1 GEN 2 Battery Pre-installation Checks
KA-020592026-10-02. Other. ESP Causing Vehicle Limitations
KA-01783 v22025-12-05. Other. McLaren DMTL Test Diagnosis
KA-019402025-10-06. Other. P1 GEN 2 Battery Pre-installation Checks
KA-019222025-09-05. Other. P14 Spider Door Module Water Ingress
KA-018522025-03-03. Other. McLaren P1 Hybrid Warning - Charge Cable Connector Terminals Not Secure
KA-01267 V22022-02-04. Service bulletin. Tyre Pressure Monitor System (TPMS) Inoperative
KA-01265 V22022-02-04. Service bulletin. Recurring Airbrake Warning Message On Driver’s Display
KA-01258 V32022-02-04. Service bulletin. Fuel Gauge Indication Behaviour
KA-014332021-10-07. Service bulletin. Clicking Noise from CCM brakes