# Service bulletin 18NA045

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: 10137329
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 18NA045
- Manufacturer's date: 2018\-02\-08
- NHTSA component: EXTERIOR LIGHTING:TAIL LIGHTS; ELECTRICAL SYSTEM

## NHTSA's summary

This technical bulletin provides a procedure to install a pigtail harness to correct the rear tail lights from flashing fast when hot.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137329-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137329-0001.pdf)

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

## Components

Electrical system, Lighting, Tail lights

## Vehicles listed

- 2013 to 2017 CADILLAC XTS

JSON: [/v1/bulletins/10137329](/v1/bulletins/10137329)

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