# Other KA\-01940 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: Other
- NHTSA id: 11037823
- Published by NHTSA: 2026\-10\-02
- Manufacturer's number: KA\-01940 V2
- Manufacturer's date: 2026\-09\-18
- NHTSA component: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE

## NHTSA's summary

P1 GEN 2 Battery Pre\-installation Checks

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037823-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037823-9999.pdf)

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

## Components

Electrical system, Engine, Fuel system

## Vehicles listed

- 2014 to 2015 MCLAREN P1

## 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\-01940](/bulletins/11023918.md), 2025-10-06, Other: ELECTRICAL SYSTEM. P1 GEN 2 Battery Pre\-installation Checks
- [KA\-01937](/bulletins/11023913.md), 2025-10-06, Other: ENGINE. Boost Control Diagnosis Guide
- [KA\-01870](/bulletins/11016615.md), 2025-04-04, Other: FUEL/PROPULSION SYSTEM. McLaren P1 GEN 2 Battery Software and Charging Limitations
- [KA\-01852](/bulletins/11014647.md), 2025-03-03, Other: ELECTRICAL SYSTEM. McLaren P1 Hybrid Warning \- Charge Cable Connector Terminals Not Secure
- [KA\-01783](/bulletins/11008160.md), 2024-10-01, Other: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. McLaren DMTL Test Diagnosis

JSON: [/v1/bulletins/11037823](/v1/bulletins/11037823)

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