CBR 2362-3 202604
Service Bulletin/Repair Instructions
CBR - Mack Carrier Nut Adhesive Change.
Vehicle report
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 2362-3 202604
CBR - Mack Carrier Nut Adhesive Change.
CBR 2573-1 202604
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
CBR 2712-7 032026
CBR - No Start Condition After Over the Air Programing.
TSB M-432-002A 032026
TSB - Cable, Gear Selector, Replacement
CBR 2107-22 202601
CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
CBR 2128-7 202601
CBR - Engine Control Module (EMS) Software Information - Improvement List (Change Log), US21+OBD2021 Emissions ONLY
CBR 2172-5 082025
CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a Critical failure, the vehicle will remain in Safe State.
CBR 2488 072025
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
CBR 407 072025
CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
CBR 2107-21 202505
Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
CBR 445- 11 202505
Vehicles Equipped With a Common Rail Fuel System - Aftermarket Secondary Fuel Filters, Important Information On Approved Filters - US17+OBD16 toUS21+OBD23
CBR-561 202503
If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years
CBR-2016 202412
Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
CBR-997 202411
Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring.
CBR-407 202409
CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
CBR-2350 202407
CBR: Telematics Gateway (TGW) Connect Ability Issues
CBR-1008 202404
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
CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
CBR-2258 202402
CBR - Diagnostic Trouble Code (DTC) P107471 - AMT-F
CBR-2342 202401
CBR: Mack Medium Duty (MMD) Rear Suspension Bump Stop Bending
CBR-2333 202401
CBR: TGW Will Not Connect After SIM Card Replacement
CBR-2016 202401
CBR: Frame Or Cab Lean
M-834-001 202401
TSB: Some Mack MMD trucks could experience an issue with the ignition lock cylinder sticking. Trucks that experience a sticking lock cylinder could have a lock cylinder that becomes tight or sticks in the start position. If the above condition is found replace the ignition lock cylinder.
M-465-001 202311
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-2315 202309
CBR: Mack Chassis - Medium Duty - Front Bumper License Plate Mounting Holes
M-258-012 202309
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
M-258-014 202309
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
S3433 202308
Service Campaign: MMD Steering Column Harness Routing
M728-005A 202308
TSB: Barksdale Leveling Valve, Leak Test
CBR-2112 202307
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
S3433
Campaign - Mack trucks has determined that certain model year 2022 Mack Medium Duty (âMMDâ) vehicles, require an inspection of the steering harness routing.
M0230-Ver2
Emission Campaign: Vehicle Emission Label
KC-474-Ver5
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
M-773-005a
TSB: Hub Cap, Leaking
M-773-005
New TSB- Hub cap leaking
SLM22-011
Service Literature Published and Released in November, 2022
STB22-004M
Mack Essential Tool Shipment
M-265-002
TSB-Charge Air Cooler t-clamp install.
CBR-2131
USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
KC-561
11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
KC-750
US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
KC-751
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
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
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
KC-2143
(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
KC-405
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
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
Back Office Mack Chassis - Secondary Gauge Set Up - Model Year 2018 and Newer.
KC-735
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
(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
DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer.
KC-2116
NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2157
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2158
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2165
DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-731
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
USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
KC-2171
Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
KC-714
Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit
KC-698
Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination
KC-699
Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information
KC-700
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
(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)
KC-663
Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
S7646
MMD Steering Column Bracket Hardware
KC-644
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
Mack - PTO Pump Speed Calculator
KC-651
Mack Dealer Support Communication - Selecting The Proper SR Area For Creating An eService
KC-652
Mack Low Oil Pressure Diagnostic Process For 11 Liter Engines
KC-659
Mack Chassis -Â Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions Prior To US17+OBD16 (Common Rail Fuel System), Model Year 2017 And Older
KC-2169
Low Voltage Disconnect (LVD), Function Description
KC-2170
Electronically Controlled Suspension (ECS) Losing Air Pressure
KC-2172
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
KC-2161
DEF Pump Cycling periodically Hours After Key Off
KC-633
Mack Chassis - Front Hub With Unit-Bearings ( Unitized Wheel Bearings ), Inspection Information And Guidelines - Commonly Model Year 2008 And Newer
KC-626
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
Premium Tech Tool ( PTT ) Training Materials And Support Tools
KC-587
Mack Chassis - SNM15-027 A/C Compressor Inspection Required For Warranty Repairs
M-261-001
Fitting, Static Hose Fill, Replacement
SLM22-004
Service Literature Published and Released in April, 2022
KC-2166
Mack MMD Models - Coolant Hose Obstructs Access To Oil Filter
S7627
MMD Alternator Pulley
KC-552
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
Variable Geometry Turbocharger ( VGT ) Function Test ( 2551-08-03-02 ), OBD13 Model Year ( MY ) 2014 And Newer
KC-415
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
EPRV Delete & Fuel Rail Pressure Sensor Update
KC-383
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
Noise On The AM Radio Band; Thumping, Ticking, Fluttering Sound On AM Radio Band - Model Year 2018 And Newer
KC-401
Diagnostic Trouble Codes (DTC) P24F600 Or P24F700 - US14+OBD15 Emissions And Newer, Model Year 2016 And Newer
KC-402
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
Dye Test Procedure; Fuel System Leak Check - Common Rail Fuel System - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer
KC-354
Volvo Chassis - Certain Volvo Trucks Built After January 11, 2016 May Experience an Issue with the Instrument Cluster Display
KC-286
Mack Chassis - FSB 563-008 Plugs, Pressure Protection Manifold - New Brass Plugs For Noregon Pressure Protection Manifold (PPM)
KC-275
(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
Mack Chassis - Where To Find The Body Builder Portal - Body Builder Manual ( BBM ) Information - US04 And Newer Emissions, Model Year 2008 And Newer
KC-145
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
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
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
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
Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year 2008 And Newer
KC-193
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-130
Air In The Fuel System Tests, Common Rail Fuel System - US17+OBD16 and Newer Emissions
KC-136
Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium Tech Tool (PTT) - US10+OBD13 And Newer Emissions
KC-124
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
Automated Manual Transmission ( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer - Light Turbo Surge ( Chuff ) During Skip Shifting
KC-328
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
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.