# Service bulletin 120615

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: 10147596
- Published by NHTSA: 2018\-11\-13
- Manufacturer's number: 120615
- Manufacturer's date: 2015\-01\-01
- NHTSA component: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

## NHTSA's summary

SUBJECT DME Erroneous Super\-knocking Faults. When decelerating with the engine speed dropping from 5,000 rpm to 4,500 rpm, one of the following erroneous super\-knocking faults may be stored in the DME: z FC 152108 \- Super\-knocking in cylinder 1; injection cut\-off z FC 152208 \- Super\-knocking in cylinder 2; injection cut\-off z FC 152308 \- Super\-knocking in cylinder 3; injection cut\-off Always in conjunction with FC 152D08 \(Super\-knocking, injection cut\-off\). These stored faults do not cause any drivability complaints or engine warning lights. The fault codes are detected during diagnosis for unrelated work. CAUSE DME software error.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10147596-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10147596-0001.pdf)

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

## Components

Fuel system, Fuel injection

## Vehicles listed

- 2014 to 2016 BMW I8

JSON: [/v1/bulletins/10147596](/v1/bulletins/10147596)

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