NHTSA ID Number: 10200804
Manufacturer Communication Number: SLM21-008
TSB/Document Date: 2021-09-02
Summary
Service Literature Published and Released in August, 2021
MACK TRUCKS
DEALER BULLETIN
To:
General Managers, Service Managers, Service Technicians, Warranty Managers
From:
Mack Trucks – Service
Date:
August 31, 2021
Subject:
Service Literature Published and Released in August, 2021
Bulletin:
SLM21-008
The following summarizes the service literature that has been published and/or revised for the month.
SERVICE NEWS
BULLETIN #
TITLE
None Issued
COMMENTS
TITLE
None Issued
COMMENTS
TOOL BULLETIN
BULLETIN #
FIELD SERVICE BULLETIN
BULLETIN #
TITLE
None Issued
COMMENTS
SERVICE PROGRAM
BULLETIN #
TITLE
None Issued
COMMENTS
TITLE
None Issued
COMMENTS
RECALLS
BULLETIN #
© 2021 Mack Trucks, Inc. CONFIDENTIAL - For limited distribution only to circulation list above. This bulletin, and any information herein, is subject to change by Company
without notice. For the most current and accurate information, always refer to Trucks Dealer Portal for the electronic version of this document.
MACK TRUCKS
DEALER BULLETIN
CASE BASED REASONING (CBR)
NEW SOLUTIONS
SOLUTION #
CBR-2054
CBR-591
CBR-2141
CBR-2142
CBR-2146
CBR-2093
CBR-2140
CBR-2139
TITLE
Vehicles Equipped With Bendix Or Meritor Drum Brakes - Steer Axle Brake Noise
Vehicles Chassis Equipped With Bendix Brakes On Steer Axle - Excessive Brake Noise; FSB
514-001, Brake S-Cam, Replacement
Xantrex Freedom HF 1800 Inverter/Charger - Fault Code And Troubleshooting Information
13L Connecting Rod Identification
Mack Chassis - Front Radar Supply Chain Constraints
Mack Chassis - Diagnostic Trouble Code ( DTC ) P105594 Brake Switch Status - Special
Instructions
Mack Chassis - P105E662 Park brake Sensor/Switch Circuit Range/Performance, Signal
Compare failure - Diagnostic Instructions - US21+OBD21 Emissions
11 Liter Engines - Fuel In Oil - Vehicles Built Between October 2020 And June 2021
UPDATED SOLUTIONS
SOLUTION
TITLE
COMMENTS
CBR-2049
AMT-F Transmission Electronic Control Unit (TECU) Software
(MSW) Information – Improvement List (Change Log) And
Explanations For Issues And Diagnostic Trouble Codes (DTC,
Fault Codes) From Start of Production to Present
Added information for latest
TECU software releases.
CBR-2018
Diagnostic Trouble Code P200200 - Diagnostic Information;
US14+OBD16 And Newer Emissions
Withdrawn - GD has been
corrected for this fault.
Model Year 2017, 2018 - US17 GHG Engines - One Box Exhaust
Aftertreatment System ( EATS ) - Diesel Exhaust Fluid ( DEF )
Leakage At One Box Inlet
Withdrawn – Information no
longer relevant.
Diagnostic Trouble Code (DTC) U008088 - US17+OBD16
Emissions And Newer
Added instructions to check for
non-OEM NOx sensors.
Diagnostic Trouble Code ( DTC ) P24FF - Reductant
Temperature Too High
Withdrawn - Information has been
updated in Impact.
Withdrawn - Guided Diagnostics
instructions have been updated
with corrected diagnostic steps.
Withdrawn - Guided Diagnostics
instructions have been updated
with corrected diagnostic steps.
CBR-869
CBR-2079
CBR-10
CBR-310
Diesel Exhaust Fluid ( DEF ) Sensor Circuit Issue Causing Fault
Code P204713 To Be Generated
CBR-869
Model Year 2017, 2018 - US17 GHG Engines - One Box Exhaust
Aftertreatment System ( EATS ) - Diesel Exhaust Fluid ( DEF )
Leakage At One Box Inlet
CBR-342
Selective Catalytic Reduction (SCR) Parts Supersession; New
Part Numbers For SCR Muffler/Canister - All One Box And Two
Box Configurations EXCEPT Turbo Compound - US17+OBD16
And US17+OBD18 Emissions, Model Years 2018 And 2019
Withdrawn - Impact has been
updated with current part
information.
© 2021 Mack Trucks, Inc. CONFIDENTIAL - For limited distribution only to circulation list above. This bulletin, and any information herein, is subject to change by Company
without notice. For the most current and accurate information, always refer to Trucks Dealer Portal for the electronic version of this document.
MACK TRUCKS
DEALER BULLETIN
UPDATED SOLUTIONS (Continued)
CBR-107
CBR-274
CBR-9
Selective Catalytic Reduction ( SCR ) Efficiency And NOx Sensor
Diagnostic Trouble Codes ( DTC ) P225C, P225E, P221A and
P2201: NOx Sensor Diagnostic Information TO BE USED
BEFORE SENSOR REPLACEMENT - OBD13 And Newer
Emissions (Commonly Model Year 20
Mack Chassis - Vehicles Equipped With A Vertical Selective
Catalytic Reduction (SCR) System - Diagnostic Trouble Codes (
DTC ) P1031 With Possible P24DA Lighting The Malfunction
Indicator Lamp ( MIL ) - US17+OBD16 (GHG17, Common Rail
Fuel System)
Diagnostic Trouble Codes ( DTC ) P2080, P2084, P242B Lighting
The Malfunction Indicator Lamp ( MIL ) - US14+OBD13 And
US14+OBD15 Emissions, Model Years 2015 And 2016
Withdrawn - New diagnostic
information provided in CBR2116.
Withdrawn - Guided Diagnostics
instructions have been updated
with corrected diagnostic steps.
Withdrawn - Guided Diagnostics
instructions have been updated
with corrected diagnostic steps.
© 2021 Mack Trucks, Inc. CONFIDENTIAL - For limited distribution only to circulation list above. This bulletin, and any information herein, is subject to change by Company
without notice. For the most current and accurate information, always refer to Trucks Dealer Portal for the electronic version of this document.
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TSB/Document ID: SLM21-008
Replacement Service Bulletin Number:
MFR Communication Date: 2021-08-31
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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