Service bulletins for the 2020 McLaren 540C
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.
51 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Engine are shown. Show all
| KA-01986 V2 | 2026-08-04. Other. ENGINE. M8 V8 Coolant Hose Drift |
|---|---|
| KA-01986 | 2026-02-06. Other. POWER TRAIN; ENGINE. V8 Coolant Hose Drift |
| KA-01941 | 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 | 2025-10-06. Other. ENGINE. Boost Control Diagnosis Guide |
| KA-01458 | 2021-12-03. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Engine Oil Leak Detection Dye |
| KA-01435 | 2021-12-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Oil Smoke From Exhaust |
| KA-01201 V2 | 2021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. Engine Coolant Temperature Gauge Unusual Behaviour |
| KA-01304 V2 | 2021-05-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Sports Series - Fuel Adaptions with Engine Warning Light |
| KA-01223 | 2020-10-07. Service bulletin. ENGINE AND ENGINE COOLING. Turbo Vacuum Control Diagnosis Guide |
| KA-01201 | 2020-10-07. Service bulletin. ENGINE AND ENGINE COOLING. Engine Coolant Temperature Gauge Unusual Behaviour |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.