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Service bulletin SIL 721

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10165036
Published by NHTSA2019-09-19
Manufacturer's numberSIL 721
Manufacturer's date2019-08-21
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SIL 721 informed unit owners of potential issues with JEMS units mounted on Dodge chassis Some customers have reported that the engine on the affected chassis will not start after sitting over a weekend time period. Investigation found there was an issue with the Dodge chassisand the ZeroRPM ignition module. Unplugging the ZeroRPM Dodge ignition module and plugging the module back in was found to reset the module allowing the engine to start again. Chassis starting operation will then return to normal. Altec recommends that affected units be modified by adding an ignition reset button to the ZeroRPM system

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
ALTEC AERIAL DEVICE2014 to 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.