Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
CBR-2139 202405
Service Bulletin/Repair Instructions
CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this issue.
CBR-1008 202404
Service Bulletin/Repair Instructions
CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.
CBR-2013 202404
Service Bulletin/Repair Instructions
CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
CBR-2139 202403
Service Bulletin/Repair Instructions
CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head.
CBR-2350 202402
Service Bulletin/Repair Instructions
CBR -Telematics Gateway (TGW) Connect Ability Issues
CBR-2014 202402
Service Bulletin/Repair Instructions
CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
CBR-202 202402
Service Bulletin/Repair Instructions
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
CBR-2347 202402
Service Bulletin/Repair Instructions
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
CBR-2333 202401
Service Bulletin/Repair Instructions
CBR: TGW Will Not Connect After SIM Card Replacement
CBR-2016 202401
Service Bulletin/Repair Instructions
CBR: Frame Or Cab Lean
CBR-2320 202312
Service Bulletin/Repair Instructions
CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the engine may move excessively and rub the area where it secures the line.
PSM23m2na71
Service Bulletin/Repair Instructions
Parts Sales and Marketing Bulletin: Mack Trucks is excited to announce an additional year warranty program on REMACK AMT mDRIVE Complete Transmissions. This extended warranty of 3 years or 350,000 miles on the transmission will be applicable when dealer installed, required parts are installed and is registered via eService.
M-465-001 202311
Service Bulletin/Repair Instructions
TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.98 ratios. The new HD through shaft is an upgrade over the current standard shaft and can now be used as a replacement part instead of the standard shaft. The new HD shaft has a new design to increase strength, longevity and life over the standard shaft.
CBR-399 202310
Service Bulletin/Repair Instructions
CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster
M-258-014 202309
Service Bulletin/Repair Instructions
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
CBR-2131 202308
Service Bulletin/Repair Instructions
CBR: Intermittent Diagnostic Trouble Codes U02A3,U029D, U029E - USE FOR NEW VEHICLES (US21+OBD22 Emissions)
M728-005A 202308
Service Bulletin/Repair Instructions
TSB: Barksdale Leveling Valve, Leak Test
CBR-2112 202307
Service Bulletin/Repair Instructions
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
CBR-2303 202307
Service Bulletin/Repair Instructions
CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
KC-2289
Service Bulletin/Repair Instructions
Diagnostic Trouble Code (DTC) P103200: Particulate Matter Sensor Removed from Exhaust - US21+OBD22 Emissions
KC-2292
Service Bulletin/Repair Instructions
Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering
KC-2043 Rev 4
Service Bulletin/Repair Instructions
Engine Control Module (EMS) Software (MSW) Information - Improvement List, Through June 2023 - US21+OBD2020 Emissions
KC-2116 Rev 8
Service Bulletin/Repair Instructions
Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2158 Rev 6
Service Bulletin/Repair Instructions
CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2050
Service Bulletin/Repair Instructions
CBR: Diagnostic Trouble Code (DTC) P225C00 : NOx1 Sensor Stuck High - US17+OBD2019 And Newer Emissions
KC-331-Ver6
Service Bulletin/Repair Instructions
CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines
KC-2012-Ver3
Service Bulletin/Repair Instructions
CBR: SNM 20-005 - HD Disc Brake Rotor Upgrade
KC-503-Ver3
Service Bulletin/Repair Instructions
CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated
KC-2263-Ver5
Service Bulletin/Repair Instructions
CBR: Timing Gear Plate Repair. This solution provides supplementary information to be used when installing a Timing Gear Plate with Integrated Seal.
KC-2229-Ver2
Service Bulletin/Repair Instructions
CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode
KC-474-Ver5
Service Bulletin/Repair Instructions
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
KC-2264
Service Bulletin/Repair Instructions
CBR: Mack Chassis - Allison Reduced Engine Load At A Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR,TE,LR Models - Non-Split/Drop Box PTO
M-773-005a
Service Bulletin/Repair Instructions
TSB: Hub Cap, Leaking
KC-2259
Service Bulletin/Repair Instructions
Oil In Coolant - Cross Contamination From Oil Cooler - 13L VGT Engines
M-831-001
Service Bulletin/Repair Instructions
New TSB Door harness bracket
M-773-005
Service Bulletin/Repair Instructions
New TSB- Hub cap leaking
KC-2128
Service Bulletin/Repair Instructions
Engine Control Module (EMS) Software Information - Improvement List (Change Log), March 2023 â US21+OBD2021 Emissions ONLY
S7627
Service Bulletin/Repair Instructions
Mack MMD Alternator Pulley
KC-2244
Service Bulletin/Repair Instructions
Mack Model TE,LR - Frame Over Height
KC-2254
Service Bulletin/Repair Instructions
Mack Chassis - No Gauge Cluster Backlight
KC-2165
Service Bulletin/Repair Instructions
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
M-212-001
Service Bulletin/Repair Instructions
Timing Gear Plate Inspection
KC-2140
Service Bulletin/Repair Instructions
Mack Chassis - P05E662 Park brake Sensor/Switch Circuit Range/Performance, Signal Compare failure - Diagnostic Instructions - US21+OBD21 Emissions
KC-328
Service Bulletin/Repair Instructions
Diagnostic Trouble Codes (DTC) P208064, P208464, P242B64 and P246F64 Lighting The Malfunction Indicator Lamp (MIL) - US17+OBD19 And Newer Emissions, Model Years 2020 and Newer
M-265-002
Service Bulletin/Repair Instructions
TSB-Charge Air Cooler t-clamp install.
CBR-2131
Service Bulletin/Repair Instructions
USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
KC-2139
Service Bulletin/Repair Instructions
fuel in the oil inspection
KC-2201
Service Bulletin/Repair Instructions
Engine Control Module (EMS) Software (MSW) Information â October 2022; Improvement List (Change Log) - US21+OBD22 (13L VGT, TC) And US17+OBD22 (11L) Emissions
KC-561
Service Bulletin/Repair Instructions
11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
KC-750
Service Bulletin/Repair Instructions
US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
KC-751
Service Bulletin/Repair Instructions
Vehicles Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F ) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer.
KC-745
Service Bulletin/Repair Instructions
Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1
KC-2112
Service Bulletin/Repair Instructions
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
KC-2143
Service Bulletin/Repair Instructions
(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
KC-405
Service Bulletin/Repair Instructions
Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim For Chassis Return Visit With Transmission Issues After A Repair Requiring Control Housing Removal And Reinstallation - US07 And N.
KC-399
Service Bulletin/Repair Instructions
Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster.
KC-733
Service Bulletin/Repair Instructions
Back Office Mack Chassis - Secondary Gauge Set Up - Model Year 2018 and Newer.
KC-735
Service Bulletin/Repair Instructions
Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit Displayed When Attempting To Run Diagnostics For Diagnostic Trouble Codes (DTC) Or Programming - US10+OBD13 And Newer Emissions,
KC-736
Service Bulletin/Repair Instructions
(Back Office Only) - Engine Brake Vibration When In High Setting - 13L Engine With Variable Geometry Turbo ( VGT ) - US17 And Newer Emissions (Common Rail Fuel System).
KC-2107
Service Bulletin/Repair Instructions
DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer.
KC-2116
Service Bulletin/Repair Instructions
NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2157
Service Bulletin/Repair Instructions
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2158
Service Bulletin/Repair Instructions
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-731
Service Bulletin/Repair Instructions
Mack Chassis - Equipped With An Automated Manual Transmission Model D or F (mDrive, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer
KC-2131
Service Bulletin/Repair Instructions
USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
KC-2171
Service Bulletin/Repair Instructions
Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
KC-714
Service Bulletin/Repair Instructions
Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit
KC-698
Service Bulletin/Repair Instructions
Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination
KC-699
Service Bulletin/Repair Instructions
Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information
KC-700
Service Bulletin/Repair Instructions
Mack Chassis - Automated Manual Transmission Model F ( AMT-F, mDrive ) - Short Transmission Replacement; Calibration And/Or Shifting Problems Following Replacement Of A Short Transmission - US17+OBD2016 And Newer Emissions, Model Year 2018 And Newer
KC-686
Service Bulletin/Repair Instructions
(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)
KC-663
Service Bulletin/Repair Instructions
Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
KC-644
Service Bulletin/Repair Instructions
Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And Newer Emissions, Model Year 2008 And Newer
KC-648
Service Bulletin/Repair Instructions
Mack - PTO Pump Speed Calculator
KC-651
Service Bulletin/Repair Instructions
Mack Dealer Support Communication - Selecting The Proper SR Area For Creating An eService
KC-652
Service Bulletin/Repair Instructions
Mack Low Oil Pressure Diagnostic Process For 11 Liter Engines
KC-2169
Service Bulletin/Repair Instructions
Low Voltage Disconnect (LVD), Function Description
KC-2170
Service Bulletin/Repair Instructions
Electronically Controlled Suspension (ECS) Losing Air Pressure
KC-2172
Service Bulletin/Repair Instructions
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
KC-2161
Service Bulletin/Repair Instructions
DEF Pump Cycling periodically Hours After Key Off
KC-633
Service Bulletin/Repair Instructions
Mack Chassis - Front Hub With Unit-Bearings ( Unitized Wheel Bearings ), Inspection Information And Guidelines - Commonly Model Year 2008 And Newer
KC-626
Service Bulletin/Repair Instructions
Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool ( PTT ) Gearbox Calibration Failure; Gearbox Calibration Operation Stops And Fails At 33% When Run With Transmission Removed
KC-627
Service Bulletin/Repair Instructions
Premium Tech Tool ( PTT ) Training Materials And Support Tools
KC-587
Service Bulletin/Repair Instructions
Mack Chassis - SNM15-027 A/C Compressor Inspection Required For Warranty Repairs
KC-552
Service Bulletin/Repair Instructions
Aftertreatment Control Module ( ACM ) Diagnostic Trouble Codes ( DTC ) U0001-88 and U0010-88 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Derate Warning â US10 And Newer Chassis
KC-478
Service Bulletin/Repair Instructions
Variable Geometry Turbocharger ( VGT ) Function Test ( 2551-08-03-02 ), OBD13 Model Year ( MY ) 2014 And Newer
KC-415
Service Bulletin/Repair Instructions
Diagnostic Trouble Code ( DTC ) P26E8 Intermittently Lighting The Malfunction Indicator Lamp ( MIL ); Possible Derate Warning - US10+OBD13 And Newer Emissions, Model Year 2014 And Newer
S7567
Service Bulletin/Repair Instructions
EPRV Delete & Fuel Rail Pressure Sensor Update
KC-383
Service Bulletin/Repair Instructions
Mack Chassis - Equipped With Bendix Fusion, With Or Without Lane Departure Warning ( LDWS ) - Diagnostic Trouble Code ( DTC ) SPN 70 FMI 9, Bendix Code 64 With Possible "Lane Departure Warning Malfunction" Message - US17 And Newer
KC-391
Service Bulletin/Repair Instructions
Noise On The AM Radio Band; Thumping, Ticking, Fluttering Sound On AM Radio Band - Model Year 2018 And Newer
KC-401
Service Bulletin/Repair Instructions
Diagnostic Trouble Codes (DTC) P24F600 Or P24F700 - US14+OBD15 Emissions And Newer, Model Year 2016 And Newer
KC-402
Service Bulletin/Repair Instructions
Volvo Chassis - Diagnostic Trouble Code (DTC) SA 0 FMI 0 or SPN 0 FMI 0 Present On Fault Code Readout - US10 And Newer Emissions, Model Year 2011 And Newer
KC-406
Service Bulletin/Repair Instructions
Dye Test Procedure; Fuel System Leak Check - Common Rail Fuel System - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer
KC-354
Service Bulletin/Repair Instructions
Volvo Chassis - Certain Volvo Trucks Built After January 11, 2016 May Experience an Issue with the Instrument Cluster Display
SNM22-001
Service Bulletin/Repair Instructions
TC Engine Turbochargers
KC-286
Service Bulletin/Repair Instructions
Mack Chassis - FSB 563-008 Plugs, Pressure Protection Manifold - New Brass Plugs For Noregon Pressure Protection Manifold (PPM)
KC-2043
Service Bulletin/Repair Instructions
Engine Control Module (EMS) Software (MSW) Information - Improvement List, November 2021 - US21+OBD2020 Emissions
KC-275
Service Bulletin/Repair Instructions
(Back Office Only) Vehicles Equipped With A Turbo Compound Engine - Report Of Frequent Air Compressor Cycling. Secondary Air System Air Pressure Decreases Slowly When Engine Is At Low Idle - US17+OBD16 And Newer Emissions, Model Year 2018 And Newer
KC-238
Service Bulletin/Repair Instructions
Mack Chassis - Where To Find The Body Builder Portal - Body Builder Manual ( BBM ) Information - US04 And Newer Emissions, Model Year 2008 And Newer
GDC21-011
Service Bulletin/Repair Instructions
Exhaust Gas Temperature Sensor Circuit Range/Performance
KC-145
Service Bulletin/Repair Instructions
Automated Manual Transmission (AMT) (Spigot Bearing) Input Shaft Repair Kit And Shim Kit, Part Number Information, Reference Guide - US07 And Newer Emissions, Model Year 2008 And Newer
KC-119
Service Bulletin/Repair Instructions
Mack Chassis - Equipped With An Automated Manual Transmission (mDrive, AMT) AMT-C, AMT-D Or AMT-F - Transmission Oil Specifications - Model Years 2010 To 2020
KC-167
Service Bulletin/Repair Instructions
Premium Tech Tool (PTT) Error Code 43: Service Regeneration Fails To Start; Service Regen Does Not Complete With Error 43 Displayed - US10+OBD13 And Newer Emissions, Common Model Year 2014 And Newer
KC-159
Service Bulletin/Repair Instructions
Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018 Instrument Cluster Update, Model Year 2018 And Newer
KC-163
Service Bulletin/Repair Instructions
Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year 2008 And Newer
KC-193
Service Bulletin/Repair Instructions
Mack Chassis - Particulate Matter (PM) Sensor Diagnostic Trouble Codes (DTC) Illuminating The Malfunction Indicator Lamp (MIL); Tech Tip TT-014-2016 - US14+OBD16, US17+OBD16 And Newer Emissions, Common Model Year 2017 And Newer - To Be Used For EVERY
KC-2154
Service Bulletin/Repair Instructions
Mack LR And TE Models - Odometer Reading Increase
KC-130
Service Bulletin/Repair Instructions
Air In The Fuel System Tests, Common Rail Fuel System - US17+OBD16 and Newer Emissions
KC-136
Service Bulletin/Repair Instructions
Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium Tech Tool (PTT) - US10+OBD13 And Newer Emissions
KC-124
Service Bulletin/Repair Instructions
Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24 FMI 1, P1072-92 Unintentional Disengagement Of High Range - US07 And Newer Emissions, Model Year 2008 And Newer
KC-115
Service Bulletin/Repair Instructions
Automated Manual Transmission ( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer - Light Turbo Surge ( Chuff ) During Skip Shifting
S7610
Service Bulletin/Repair Instructions
Bump Stop Interference with Brake Slack
SNM21-006
Service Bulletin/Repair Instructions
Remote Software Downloads
S7576
Service Bulletin/Repair Instructions
VECU Software Update
CBR-15
Service Bulletin/Repair Instructions
Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions
FSB 511-010
Service Bulletin/Repair Instructions
Disc Brake Rotor, Replacement
SNM21-001
Service Bulletin/Repair Instructions
Improved method for determining which DTC to troubleshoot in a MIL on situation
S7552
Service Bulletin/Repair Instructions
Incorrect Data on Door Label Set
K53338075
Service Bulletin/Repair Instructions
Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions - US10+OBD13 And Newer Emissions, Model Year 2014 And Newer
K47547856
Service Bulletin/Repair Instructions
Particulate Matter (PM) Sensor Diagnostic Trouble Codes (DTC) Illuminating The Malfunction Indicator Lamp (MIL) - US14+OBD16, US17+OBD16 And Newer Emissions, Model Year 2017 And Newer - To Be Used For EVERY Visit
K01157283
Service Bulletin/Repair Instructions
Front Accessory Drive Noise, Alternator Belt Wear, Alternator Belt Tensioner Failure - Model Year 2017 And Newer
S7454
Service Bulletin/Repair Instructions
Modify Air Dryer TCOV