# Service bulletin P56051

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: 10163086
- Published by NHTSA: 2019\-07\-22
- Manufacturer's number: P56051
- Manufacturer's date: 2019\-02\-01
- NHTSA component: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

## NHTSA's summary

Operation Name: Hendrickson Trailer Commercial Vehicle Systems Document Name: Product Update \- TIREMAAX CP and PRO Controllers Summary: The document announces design changes to controllers used for Hendrickson TIREMAAX CP and PRO tire pressure control systems.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163086-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163086-9999.pdf)

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

## Components

Tires, Tire pressure monitoring

## Vehicles listed

- HENDRICKSON HENDRICKSON

JSON: [/v1/bulletins/10163086](/v1/bulletins/10163086)

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