# Service bulletin SC\-25\-015

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: 11025464
- Published by NHTSA: 2025\-11\-11
- Manufacturer's number: SC\-25\-015
- Manufacturer's date: 2025\-10\-15
- Campaign id or software version: SC\-25\-015
- NHTSA component: POWER TRAIN

## NHTSA's summary

Service bulletin outlining an EEPROM adjustment to reduce regeneration cycles, resulting in lower cabin noise and reduced operating temperatures.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025464-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025464-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2024 PHOENIXEV ZX5
- 2022 to 2023 PROTERRA ZX5

JSON: [/v1/bulletins/11025464](/v1/bulletins/11025464)

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