# Service bulletin 064614

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: 10233428
- Published by NHTSA: 2023\-04\-03
- Manufacturer's number: 064614
- Manufacturer's date: 2014\-04\-22
- NHTSA component: SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; EXTERIOR LIGHTING

## NHTSA's summary

This bulletin provides a revised adjustment procedure to be used when diagnosing Brake Light Switch \(BLS\) \-related DTCs C1531 and/or C0054. If the BLS is out of adjustment, the ABS and/or VDC warning lamp may illuminate.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10233428-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10233428-9999.pdf)

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

## Components

Brakes, Lighting, Anti\-lock brakes

## Trouble codes named

C0054, C1531

## Vehicles listed

- 2014 SUBARU FORESTER
- 2008 to 2023 SUBARU IMPREZA

## Other bulletins for the same vehicles and component

- [06\-56\-16](/bulletins/10120979.md), 2017-10-27, Service bulletin: WHEELS; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING. This bulletin replaces TSB 06\-42\-12 dated 01/19/12. This bulletin announces a revised procedure and parts change information to follow when replacement of a rear ABS wheel speed sensor is required on a limited number of 2012MY Impreza vehicles which fall within the specific VIN ranges listed below. Design changes were made to the original sensor and the upper rear arm for these vehicles. The sensor harness length has been extended and a retaining bracket added to the rear upper arm to secure the harness and keep it from contacting other related parts.
- [SB\-06\-42\-12](/bulletins/10043651.md), 2012-04-18, Service bulletin: SERVICE BRAKES, AIR; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING. SUBARU: A BRACKET WAS ADDED TO REAR UPPER ARM ASSEMBLY TO SECURE WIRING HARNESS, WHICH WAS INCREASED, FOR REAR ABS WHEEL SPEED SENSORS. \*PE

JSON: [/v1/bulletins/10233428](/v1/bulletins/10233428)

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