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Service bulletin 11 M 027

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 id10180034
Published by NHTSA2020-09-23
Manufacturer's number11 M 027
Manufacturer's date2013-05-17
NHTSA componentELECTRICAL SYSTEM; ENGINE; EQUIPMENT

NHTSA's summary

Knock Senor Diagnostic Trouble Code Clarification

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

Electrical system, Engine, Equipment and accessories

Vehicles listed
MCLAREN MP4-12C SPIDER2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
KA-01783 v22025-12-05. Other. McLaren DMTL Test Diagnosis
KA-019412025-11-06. Other. A guide to aid in the identification of a missing core plug and repair method on V8 cylinder heads
KA-019372025-10-06. Other. Boost Control Diagnosis Guide
KA-016202023-05-04. Service bulletin. Intermittent Oil Pressure Warning
KA-01012 V32022-01-08. Service bulletin. Rear View Camera and McLaren Track Telemetry displayed when not fitted
KA-014582021-12-03. Service bulletin. Engine Oil Leak Detection Dye
KA-014352021-12-03. Service bulletin. Oil Smoke From Exhaust
KA-01012 V22021-06-02. Service bulletin. Rear View Camera and McLaren Track Telemetry displayed when not fitted
KA-01223 V22021-05-06. Service bulletin. Turbo Vacuum Control Diagnosis Guide
KA-01131 V22021-05-05. Service bulletin. Engine Cover Does Not Open