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Service bulletin K91214678

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 id10130430
Published by NHTSA2018-03-19
Manufacturer's numberK91214678
Manufacturer's date2018-02-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

Automated Manual Transmission ( AMT ) Faults - Diagnostic Trouble Codes ( DTCs ) P1052 - 18 , PID 33 FMI 5 Intermittent Fault In Cold Weather Updated repair information

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

Transmission and driveline, Manual transmission

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.