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Service bulletin FAB156

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 id10193718
Published by NHTSA2021-05-18
Manufacturer's numberFAB156
Manufacturer's date2014-03-01
NHTSA componentELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS; EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

Freightliner Action Bulletin FAB156 M2 aux rear heat and AC

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

Electrical system, Equipment and accessories, Heating and air conditioning

Vehicles listed
FREIGHTLINER M22004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
FREIGHTLINER M22021

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

Recalls for the same vehicles and component
18V0940002018-02-05. EQUIPMENT
20180432018-01-22. Electrical
17V7390002017-11-20. EQUIPMENT
15V1120002015-02-25. EQUIPMENT ADAPTIVE/MOBILITY
14V1860002014-04-08. ELECTRICAL SYSTEM:12V/24V/48V BATTERY
10V5510002010-11-04. EQUIPMENT:OTHER:LABELS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SB54-2952021-06-14. Service bulletin. Vehicles built in model year 2016 use a bulkhead module (BHM) with a 500k auto baud rate. If a BHM needs replacement, it must be replaced with the new BHM (A66-03086-000) with a 500k auto baud rate.
SS10327282021-06-09. Service bulletin. SS 1032728 Bulkhead Module Fault Codes 524280 thru 524286 with FMI 7 Clarification
SS10329892021-06-09. Service bulletin. Service Solution SS 1032989 – BHM Fault Code Changes
SS10329982021-06-09. Service bulletin. Service Solution SS 1032998 M2 mirror wind noise
SS10332892021-06-09. Service bulletin. Service Solution SS 1033289 BHM Fault Code SPN 524249 / FMI 7
FAB2122021-05-19. Service bulletin. Freightliner Action Bulletin FAB212 Aggressive Step Edge
FAB2102021-05-19. Service bulletin. Freightliner Action Bulletin FAB210 USB Charging Ports
FAB1622021-05-18. Service bulletin. Freightliner Action Bulletin FAB162 Remote Stop Start
FAB1522021-05-18. Service bulletin. Freightliner Action Bulletin FAB152 Chassis Module Relocation
FAB1472021-05-18. Service bulletin. Freightliner Action Bulletin FAB147 Vehicle Data Recorder and Seat Belt Display