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Service bulletin TCH-063-001

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 id10201881
Published by NHTSA2021-10-04
Manufacturer's numberTCH-063-001
Manufacturer's date2021-09-21
NHTSA componentSERVICE BRAKES, ELECTRIC:SOFTWARE/PROGRAMMING

NHTSA's summary

Important Update for Bendix® ACom® PRO™ Diagnostic Software Bendix was notified that the security certificate for Bendix® ACom® PRO™ diagnostic software has inadvertently expired. This requires all customers to update their ACom PRO software to V2021, V2.1. The resolution to this situation has been emailed to all ACom PRO diagnostic software users. For proper functioning of the ACom PRO diagnostic software, it is imperative for all users to upgrade to this new software version immediately.

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

Brakes

Vehicles listed
BENDIX E-12

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