# Service bulletin PIT5925B

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: 10236163
- Published by NHTSA: 2023\-05\-15
- Manufacturer's number: PIT5925B
- Manufacturer's date: 2023\-04\-24
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

## NHTSA's summary

This Preliminary information communicates to the field that water hitting the cooling fans can set a false DTC: P0494 for the 2022\-2024 HUMMER EV.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236163-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236163-9999.pdf)

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

## Components

Engine, Cooling system

## Trouble codes named

P0494

## Vehicles listed

- 2022 to 2023 GMC HUMMER EV PICKUP
- 2024 GMC HUMMER EV SUV

## Other bulletins for the same vehicles and component

- [PIT5925](/bulletins/10217759.md), 2022-08-15, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This Preliminary information communicates to the field that water hitting the cooling fans can set a false DTC: P0494 for the new 2022 HUMMER EV.

JSON: [/v1/bulletins/10236163](/v1/bulletins/10236163)

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