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Service bulletin K59025056

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 id10148619
Published by NHTSA2018-11-19
Manufacturer's numberK59025056
Manufacturer's date2018-10-11
NHTSA componentPOWER TRAIN; EQUIPMENT

NHTSA's summary

Mack Chassis - Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive ) Missing X1 Value In VDA And Default Settings Guidelines, Parameter P1AOB; Fault Code P1052-54, Error 40, Or Error 18 Encountered During Clutch Or Transmission Calibration ( R1AAE ) - US10+OBD13 Emissions And Newer, Model Year 2014 And Newer

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

Equipment and accessories, Transmission and driveline

Trouble codes named

P1052

Vehicles listed
MACK MACK

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