# Service bulletin 07\-121\-17

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: 10138776
- Published by NHTSA: 2018\-05\-29
- Manufacturer's number: 07\-121\-17
- Manufacturer's date: 2017\-12\-19
- NHTSA component: EXTERIOR LIGHTING:HEADLIGHTS; ELECTRICAL SYSTEM

## NHTSA's summary

MODELS WITH EYESIGHT ONLY. This bulletin provides a repair procedure to address DTC B2902 which may be stored erroneously due to a specification mismatch. This bulletin applies to a very limited number of early\-production 2017 model year vehicles without the auto headlamp leveling \(AHL\) feature only. Having the incorrect control module installed has absolutely NO effect on normal headlamp system operation and does not cause any warning lamp\(s\) to illuminate. The repair involves replacing the headlamp control module.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10138776-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10138776-0001.pdf)

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

## Components

Electrical system, Lighting, Headlights

## Trouble codes named

B2902

## Vehicles listed

- 2017 SUBARU LEGACY
- 2017 SUBARU OUTBACK

JSON: [/v1/bulletins/10138776](/v1/bulletins/10138776)

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