# Service bulletin KA\-01138 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.

- Type: Service bulletin
- NHTSA id: 10191710
- Published by NHTSA: 2021\-05\-05
- Manufacturer's number: KA\-01138 V2
- Manufacturer's date: 2021\-04\-21
- NHTSA component: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING

## NHTSA's summary

Engine System Fault Warning Message \- Fuel System Adaptions

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10191710-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10191710-9999.pdf)

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

## Components

Engine, Fuel system

## Vehicles listed

- 2018 to 2021 MCLAREN 720S

## Recalls for the same vehicles and component

- [2020183](/recalls/tc/2020183.md), 2020-04-28: Fuel System
- [20V231000](/recalls/nhtsa/20V231000.md), 2020-04-23: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

## Other bulletins for the same vehicles and component

- [KA\-01986 V2](/bulletins/11035614.md), 2026-08-04, Other: ENGINE. M8 V8 Coolant Hose Drift
- [KA\-01783](/bulletins/11034517.md), 2026-07-06, Other: FUEL/PROPULSION SYSTEM. McLaren DMTL Test Diagnosis
- [KA\-01986](/bulletins/11028621.md), 2026-02-06, Other: POWER TRAIN; ENGINE. V8 Coolant Hose Drift
- [KA\-01783 v2](/bulletins/11026430.md), 2025-12-05, Other: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER. McLaren DMTL Test Diagnosis
- [KA\-01941](/bulletins/11025114.md), 2025-11-06, Other: ENGINE. A guide to aid in the identification of a missing core plug and repair method on V8 cylinder heads
- [KA\-01937](/bulletins/11023913.md), 2025-10-06, Other: ENGINE. Boost Control Diagnosis Guide
- [KA\-01923](/bulletins/11022840.md), 2025-09-05, Other: ENGINE. WCAC Inlet to Top Hose Clash
- [SCB 00 F 001](/bulletins/11022833.md), 2025-09-05, Service campaign: ENGINE. Pipe Protector and Clip Installation
- [KA\-01890](/bulletins/11021416.md), 2025-08-05, Other: ENGINE. Electric Wastegate Actuator Diagnosis and Adjustment
- [KA\-01783](/bulletins/11008160.md), 2024-10-01, Other: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. McLaren DMTL Test Diagnosis

JSON: [/v1/bulletins/10191710](/v1/bulletins/10191710)

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