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Service bulletin KC-2140

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 id10227186
Published by NHTSA2022-12-05
Manufacturer's numberKC-2140
Manufacturer's date2022-11-24
NHTSA componentELECTRICAL SYSTEM; PARKING BRAKE

NHTSA's summary

Mack Chassis - P05E662 Park brake Sensor/Switch Circuit Range/Performance, Signal Compare failure - Diagnostic Instructions - US21+OBD21 Emissions

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, Electrical system, Parking brake

Trouble codes named

P05E6

Vehicles listed
MACK ANTHEM (AN)2021 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GR)2021 (the catalog's model; the bulletin names a series or trim of it)
MACK LR2021
MACK LR ELECTRIC2021
MACK MD2021
MACK PINNACLE (PI/PN)2021 (the catalog's model; the bulletin names a series or trim of it)
MACK TE2021

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

Other bulletins for the same vehicles and component
KC-2152022-01-06. Service bulletin. Mack Chassis - Granite (GR) Models Equipped With An Allison Transmission And Split Box PTO - "Release Parking Brake" Message Present In Instrument Cluster When Parking Brake Is Released - Model Year 2018 And Newer