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-2592-1 202606
The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With intermittent loss of throttle.
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.
S4342 022026
SC - Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.
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 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-2449 202503
Cummins Exhaust Aftertreatment System (EATS) catalysts may experience cracking, which may be attributed to excessive vertical vibration in the exhaust stack. To mitigate this issue, a modification to the exhaust stack length is required.
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
S4342-202502
Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.
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
CBR-2411 202410
CBR - One-Box SCR Weld Leaks.
CBR-2409 202410
CBR - 13L Engine - Rear Main Oil Seal Leak - Model Year 2025
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.
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.
CBR-2387 202409
CBR: Vehicles Equipped With A Lift Axle - Wheel Speed Fault Code SPN 793, SPN 794 Set When Axle Is Up
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.
S3284 202408
Service Campaign: Mack trucks has determined that certain AN, GR, and PI models were built using the incorrect power steering cooler hose clamps.
S3586 202408
Service Campaign: Mack trucks has determined that certain 2023 and 2024 model year AN vehicles could experience an issue with the upper radiator hose collapsing or deforming causing it to leak or interfere with the engine lifting bracket.
S3600 202408
Service Campaign: Mack trucks has determined that certain 2023 and 2024 model year AN vehicles could experience an issue with the upper radiator hose collapsing or deforming causing it to leak or interfere with the engine lifting bracket.
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-2384 202407
CBR: Mack Chassis - Day Cab Glass Breakage
CBR-2356 202407
CBR: Drivers Information Display (DID)Inoperative After Cluster Replacement And Programming
CBR-2024 202407
CBR: Mack Anthem (AN) And Pinnacle (PI) -Bendix ABS Fault SPN 807 FMI 13 Blink code 19-4
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-2375 202405
CBR: ZF/TRW Steering Gear Side Cover Leak
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-2214 202404
CBR: Turbo Compound 2nd Generation - EGR And / Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information.
CBR-2258 202404
CBR: Diagnostic Trouble Code (DTC) P107471 -AMT-F
S3936 201404
Service Campaign: OTA Premature Oil Service Pop-up
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
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-2350 202402
CBR -Telematics Gateway (TGW) Connect Ability Issues
S3857 202402
Service Campaign - MMD Suspension Bracket Torque.
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-2286 202401
CBR: Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024
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.
CBR-2326 202312
CBR: The purpose of this solution is to give information on Engine Control Module (EMS) Software content. This document lists issues or problems (DTCs, Fault Codes) mitigated or resolved in specific EMS software.
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.
M-258-014 202309
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
S3586 202309
Service Campaign: Upper Radiator Hose Replacement (2.25 Crank Angle)
S3600 202309
Service Campaign: Upper Radiator Hose Replacement (4.00 Degree Crank Angle)
CBR-2306 202308
CBR: Lift Axle Lowers During An Anti-lock Braking System (ABS)Breaking Event Or When Weight Is Added To The 5th Wheel/Rear Suspension- AN Model
M-821-028 202308
TSB: Hood Latch Assembly, Retrofit
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
S3275
Campaign - Mack trucks has determined that certain AN, GR, and PI models were built using the incorrect power steering cooler hose clamps.
KC-2116 Rev 9
Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2292
Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering
KC-2286
Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024
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
S3236
Campaign: Incorrect valve and injector adjustment
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-2273-Rev6
CBR: Pre-Delivery Inspection (PDI) Torque Values. This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI).
KC-474-Ver5
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
KC-2273
CBR: Mack - Pre-Delivery Inspection (PDI) Torque Values
KC-2272
CBR: Diagnostic Trouble Code (DTC) P008A - Low Pressure Fuel System Pressure - Too Low
M-773-005a
TSB: Hub Cap, Leaking
S3047
Engine Block Debris
S2986
Campaign for PTO switch, programming
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.