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Service bulletin FSB 513-001

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 id10081445
Published by NHTSA2016-10-04
Manufacturer's numberFSB 513-001
Manufacturer's date2015-04-15
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; SERVICE BRAKES, ELECTRIC

NHTSA's summary

BRAKE ELECTRONIC CONTROL UNIT (ECU), REPROGRAMMING (MID 136) CERTAIN MACK CHU, CXU, AND GU TRUCKS EQUIPPED WITH THE BASIC ESP PACKAGE (ZMX-A1X), AND BUILT BETWEEN JANUARY 1, 2010 AND NOVEMBER 9, 2014, MAY ACTIVATE AN MID 136 ANTI-LOCK BRAKE SYSTEM (ABS) SID 66 FMI 7 OR BENDIX DTC 20-8 CODE WITHOUT ANY COMPONENT FAILURES, MECHANICAL FAILURES, OR SYSTEM MIS-WIRES. THE MID 136 CODE IS DUE TO AN ABS ELECTRONIC CONTROL UNIT (ECU) THRESHOLD SETTING. FOLLOW THE BRAKE ECU (MID 136) REPAIR AND REPROGRAMMING STEPS OUTLINED IN THIS FIELD SERVICE BULLETIN (FSB).

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

Brakes, Anti-lock brakes

Vehicles listed
MACK CHU2011 to 2015
MACK CXU2011 to 2015
MACK GU2011 to 2015

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