# Service bulletin PIP6067

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: 11018656
- Published by NHTSA: 2025\-05\-29
- Manufacturer's number: PIP6067
- Manufacturer's date: 2025\-05\-22
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates to the technician to replace the catalytic converter, pre and post oxygens sensor as an assembly. Engineering is collecting parts to determine the cause of the P0420.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018656-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018656-9999.pdf)

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

## Trouble codes named

P0420

## Vehicles listed

- 2024 to 2025 CADILLAC XT4

JSON: [/v1/bulletins/11018656](/v1/bulletins/11018656)

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