# Service bulletin FSB 722\-003

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: 10081441
- Published by NHTSA: 2016\-10\-04
- Manufacturer's number: FSB 722\-003
- Manufacturer's date: 2015\-04\-14
- NHTSA component: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

## NHTSA's summary

"THE UNWARRANTED ERRORMESSAGES ""HYBRID SYSTEM FAULT"" AND ""REDUCED ENGINE POWER"" CAN APPEAR SPORADICALLY IN THE INSTRUMENT CLUSTER ON THE AFFECTED VEHICLES UNDER CERTAIN DRIVING CONDITIONS BECAUSE THE DIAGNOSTIC FUNCTION FOR THE HYBRID DECOUPLER IS TOO SENSITIVE. IF THIS HAPPENS, ENGINE POWER WILL BE REDUCED AND THE CHECK ENGINE LIGHT WILL BE ACTIVATED UNTIL THE IGNITION IS SWITCHED OFF AND ON AGAIN." "THE UNWARRANTED ERRORMESSAGES ""HYBRID SYSTEM FAULT"" AND ""REDUCED ENGINE POWER"" CAN APPEAR SPORADICALLY IN THE INSTRUMENT CLUSTER ON THE AFFECTED VEHICLES UNDER CERTAIN DRIVING CONDITIONS BECAUSE THE DIAGNOSTIC FUNCTION FOR THE HYBRID DECOUPLER IS TOO SENSITIVE. IF THIS HAPPENS, ENGINE POWER WILL BE REDUCED AND THE CHECK ENGINE LIGHT WILL BE ACTIVATED UNTIL THE IGNITION IS SWITCHED OFF AND ON AGAIN."

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Suspension, Air suspension

## Vehicles listed

- MACK MACK

JSON: [/v1/bulletins/10081441](/v1/bulletins/10081441)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20FSB%20722-003&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10081441&vehicle=Service%20bulletin%20FSB%20722-003)