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 159 202608
Mack 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 2018Instrument Cluster Update, Model Year2018 And Newer
CBR 2595 072026
CBR - The purpose of this CBR is to provide information on 2010 and newer Mack Granite chassis experiencing a low frequency vibration.
CBR 2575-1 202604
CBR - Mack Chassis - Dash Panel Cracking at Mounting to BIW.
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.
CBR 2218-6 032026
CBR - Parker F3 Hydraulic Pump Troubleshooting.
CBR 2246-5 032026
CBR - Z Spring Bracket Wear.
CBR 2432-2 202601
CBR - Mack Chassis - AN And GR Models - Door Glass Shattering.
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 199 202512
Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.
CBR 2171-11 202511
CBR - Mack Temperature Sensor Troubleshooting Guide
CBR 2495-4 202511
CBR - Carb 24 Phase 1 - 48V Diagnostics Guide.
CBR 199-6 202511
CBR - 13 Liter Engines ONLY - Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In Between The Coolant Pump Housing And Oil Cooler Housing.
CBR 2495 092025
The purpose of the 48V EATS heater system is to provide additional heat to the exhaust stream allowing the EATS to become active earlier during acold start and during engine operation that produces low exhaust gas temperatures.
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 170-8 202505
Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100)
CBR 2107-21 202505
Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
CBR 901-5 202505
Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model Year 2018 And Newer
CBR 70-8 202505
Lack of lateral structural hood support.
CBR 2464-1 202505
Mack Chassis - Rear Axle Overheat
CBR-2452 202503
If the vehicle door is open and the truck is in neutral, a popup message may appear on the Driver Information Display (DID) instructing the operator to shift into neutral. If this message appears while the vehicle is already in neutral, the Instrument Cluster (IC)requires a software update.
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-2432 202501
This CBR solution provides detailed instructions for diagnosing and addressing window glass shattering issues, including replacement specifications, interference checks, fastener verification, and reinforcement tab adjustments to ensure proper installation and functionality.
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-2417 202411
CBR - 11L Engine block compatibility and Backward Conversion Parts Requirements
CBR-2263 202410
CBR - Mack Chassis - Timing Gear Plate Repair
M0296 202410
Emission Recall - Mack Trucks has determined that certain vehicles equipped with a model year (“MY”) 2022-2024 MP8 model engines, may be equipped with an improper engine software calibration that does not match the engine certification label.
S4214 202409
Service Campaign: GR Hood Insulation
CBR-2258 202409
CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F
CBR-570 202409
CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024
CBR-2376 202409
CBR: Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
CBR-731 202409
CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, 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
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-471 202409
CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the parameter YYT is set to "Enable" with Premium Tech Tool.
S0310 202409
Service Campaign: TGW3 Non-Communication
S0310 202408
Service Campaign: Mack trucks has determined that certain AN, GR, PI, TE, and LR model trucks built with TGW3 have stopped communicating after production.
CBR-343 202408
CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak.
CBR-523 202408
CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY)
CBR-561 202408
CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
CBR-2391 202408
CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU
CBR-2258 202407
CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F
CBR-2384 202407
CBR: Mack Chassis - Day Cab Glass Breakage
CBR-2356 202407
CBR: Drivers Information Display (DID)Inoperative After Cluster Replacement And Programming
CBR-2350 202407
CBR: Telematics Gateway (TGW) Connect Ability Issues
CBR-2384 202406
CBR - Mack Chassis - Day Cab Glass Breakage
CBR-2383 202406
CBR - Accelerator Pedal: Inspection Instructions
CBR-2334 202406
CBR - Brake Caliper Concerns And Premature Brake Pad Wear - Model Year 2023 - 2024
CBR-2376 202406
CBR - Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
CBR-2356 202406
CBR - Drivers Information Display (DID) Inoperative After Cluster Replacement And Programming
CBR-2139 202405
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
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-2258 202404
CBR: Diagnostic Trouble Code (DTC) P107471 -AMT-F
CBR-2013 202404
CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
CBR-2360 202404
CBR: Chassis Equipped With VECU5 Active Datalink/Communication Faults For Multiple Modules; ABS And SRS Communication Faults
S3852 202403
Service Campaign: On certain Mack GR model trucks built between May 10, 2021, to March 28, 2023, it has been determined that the air horn and battery cable could interfere with each other causing the horn to rub through the insulation on the battery cable. To correct these findings, install a new battery cable securing bracket that improves the routing of the battery cable away from the horn.
CBR-2139 202403
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-2356 202403
CBR: After cluster replacement and programming, the Driver Information Display (DID) may not function as designed.
S3904 202403
Service Campaign: Mack trucks has determined that certain AN, GR, PI, and TE model trucks built with a MP8 engine could experience a reduced clamping load on the turbocharger mounting hardware causing the hardware to become loose. On affected vehicles follow the instructions below to remove the turbocharger and replace the mounting hardware and mounting gasket with new parts.
CBR-2258 202402
CBR - Diagnostic Trouble Code (DTC) P107471 - AMT-F
CBR-2350 202402
CBR -Telematics Gateway (TGW) Connect Ability Issues
CBR-2014 202402
CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
CBR-202 202402
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
CBR-2347 202402
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
CBR-2333 202401
CBR: TGW Will Not Connect After SIM Card Replacement
CBR-2016 202401
CBR: Frame Or Cab Lean
CBR-2320 202312
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.
S3750 202311
Service Campaign: Certain Mack GR and PI model trucks built with a D3 Dual PTO, have the incorrect length PTO mounting studs installed. With the incorrect studs installed there is a possibly of the retaining nuts coming loose and in certain cases result in a loss of gearbox fluid. Follow the instructions in this service campaign to remove and replace the PTO mounting studs with longer ones.
S3752 202311
Service Campaign: Certain Mack AN, GR and PI model trucks built with a D4 Dual PTO, have the incorrect length PTO mounting studs installed. With the incorrect studs installed there is a possibly of the retaining nuts coming loose and in certain cases result in a loss of gearbox fluid. Follow the instructions in this service campaign to remove and replace the PTO mounting studs with longer ones.
PSM23m2na71
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
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
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
CBR-206 202310
CBR: Vehicle Speed Factor (K-Factor) Programming - Speed Factor Value Incorrect When Calculated In Premium Tech Tool (PTT); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor - US17+OBD16 And Newer Emissions, Common Model Year 2018.
CBR-2313 202309
CBR: "Spitting" or "puffing" of air from purge valve.
M-258-014 202309
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
M-141-001 202308
TSB: Air Restriction Indicator
CBR-2131 202308
CBR: Intermittent Diagnostic Trouble Codes U02A3,U029D, U029E - USE FOR NEW VEHICLES (US21+OBD22 Emissions)
M728-005A 202308
TSB: Barksdale Leveling Valve, Leak Test
CBR-2112 202307
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
CBR-2303 202307
CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
KC-2289
Diagnostic Trouble Code (DTC) P103200: Particulate Matter Sensor Removed from Exhaust - US21+OBD22 Emissions
KC-2094 Rev 3
Infotainment System - Volume Drop During A Phone Call, Phone Connected Via Bluetooth
KC-2116 Rev 9
Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
S3236
Campaign - On certain Mack truck models built with a MP8 engines, there were some inconsistencies with the engine valve and injector adjustments.
KC-2292
Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering
KC-2043 Rev 4
Engine Control Module (EMS) Software (MSW) Information - Improvement List, Through June 2023 - US21+OBD2020 Emissions
KC-2279
iLok Fastener Torque
KC-2116 Rev 8
Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2158 Rev 6
CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
SLM23-005
Service Literature Published and Released in May, 2023
KC-2050
CBR: Diagnostic Trouble Code (DTC) P225C00 : NOx1 Sensor Stuck High - US17+OBD2019 And Newer Emissions
KC-331-Ver6
CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines
KC-2012-Ver3
CBR: SNM 20-005 - HD Disc Brake Rotor Upgrade
KC-503-Ver3
CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated
KC-2263-Ver5
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
CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode
KC-2226-Ver3
CBR: Diagnostic Trouble Code (DTC) U1FFF68 - Factory Mode Active, Event Information - Model Year (MY) 2023
KC-474-Ver5
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
KC-2266
CBR: Mack Granite - Diagnostic Trouble Code (DTC) P208464
KC-2273
CBR: Mack - Pre-Delivery Inspection (PDI) Torque Values
KC-2264
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
KC-2272
CBR: Diagnostic Trouble Code (DTC) P008A - Low Pressure Fuel System Pressure - Too Low
KC-2269
CBR: 11L Engines, Non-Common Rail - Air Compressor Coolant Pipe, Parts Substitution - US14+OBD13 To US14+OBD16
M-773-005a
TSB: Hub Cap, Leaking
KC-2258
Diagnostic Trouble Code (DTC) P107471 - AMT-F
M-256-001
New TSB for air cleaner housing repair
M-220-001
New TSB for oil galley plug leaking.
M-773-005
New TSB- Hub cap leaking
S7674
Snow door bumber install
S7627
Mack MMD Alternator Pulley
KC-2248
Flywheel Housing Thread Repair
KC-2254
Mack Chassis - No Gauge Cluster Backlight
KC-2165
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2253
Barksdale Height Control Valve Troubleshooting Guide
KC-306
Diagnostic Trouble Code ( DTC ) P10AE Logged In TECU With ACTIVE Or INACTIVE Status, Fault Code Cannot Be Cleared; Possibly Accompanied By P105817 And P105818 - US10+OBD13 And Newer Emissions (16-Pin Diagnostic Connector), Commonly Model Year 2014
S7670
National Driver Seat Armrest Missing
M-212-001
Timing Gear Plate Inspection
M-371-004
TBS- Jumper Harness,Wiper Motor,Replacement
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
KC-2218
Mack Chassis - Parker F-3 Hydraulic Pump Installation - Model Year (MY) 2023
KC-2216
Mack Chassis - Incorrect Fog Lamp Electric Terminal Pinning - AN, GR, PI Models
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
S7653
Rear Sump Oil Pickup Replacement
S7641
Bendix Wingman Fusion, Front Radar Fulfillment
KC-561
11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
S7648
Mack Haldex Slack Adjuster Hitting Shock
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).
S7647
Passenger Seat Armrest Missing
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-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
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
S7634
2022Central Door Lock Module Replacement
SLM22-004
Service Literature Published and Released in April, 2022
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.