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Service bulletins for the 2020 McLaren SENNA GTR

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.

16 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
KA-020592026-10-02. Other. UNKNOWN OR OTHER; SERVICE BRAKES. ESP Causing Vehicle Limitations
KA-020052026-04-02. Other. UNKNOWN OR OTHER. Airbrake Diagnosis Guide
KA-019862026-02-06. Other. POWER TRAIN; ENGINE. V8 Coolant Hose Drift
KA-019412025-11-06. Other. ENGINE. A guide to aid in the identification of a missing core plug and repair method on V8 cylinder heads
KA-019372025-10-06. Other. ENGINE. Boost Control Diagnosis Guide
SCB 15 B 0032025-09-05. Service campaign. SUSPENSION. McLaren Senna GTR – Front Lower Wishbone Clevis Enhancement
KA-017442025-01-07. Other. SUSPENSION. Wishbone Bushes Serviceability Guide
KA-017832024-10-01. Other. UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. McLaren DMTL Test Diagnosis
KA-014582021-12-03. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Engine Oil Leak Detection Dye
KA-014352021-12-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Oil Smoke From Exhaust
KA-014332021-10-07. Service bulletin. SERVICE BRAKES, HYDRAULIC. Clicking Noise from CCM brakes
SCB 15 M 0032020-10-16. Service bulletin. SERVICE BRAKES, HYDRAULIC. McLaren Senna GTR - Brake Wear Sensor Cable Routing
SCB 15 B 0022020-10-16. Service bulletin. SUSPENSION. McLaren Senna GTR - Replace Rear Toe Link Clevis Bolts
SCB 15 A 0022020-10-16. Service bulletin. SERVICE BRAKES, AIR. McLaren Senna GTR - Rear Wing Rework
KA-012932020-10-07. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Senna GTR - Mileage increase if wheel speed sensor unplugged
KA-012922020-10-07. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. Senna GTR - Air Jack Leaks

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.