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-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-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
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-995 202310
CBR: Telematics Gateway ( TGW, MID 142 ) Losing Communication With The Instrument Cluster ( IC ) - Counts Of Fault Code (FC) MID 140 PSID 239 FMI 12 Data Link, MID 142 Faulty Device or Component Logging, Possibly Following Engine Start.
M-258-014 202309
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
M-141-001 202308
TSB: Air Restriction Indicator
M728-005A 202308
TSB: Barksdale Leveling Valve, Leak Test
CBR-2303 202307
CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
KC-503-Ver3
CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated
KC-2229-Ver2
CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode
KC-474-Ver5
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
M-170-001
TSB: Stock Vehicle Storage and Maintenance
M-170-002
TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada
M-170-003
TSB: Vibration Diagnostics
KC-753
Mack Chassis - TerraPro (MRU) And Low Entry (LEU) Models - Field Service Bulletin FSB 381-042, Warning Light Bar (WLB) Replacement and Software Conversion Kit - US07, US10, US10+OBD13, US14+OBD13 To US14+OBD16 Emissions, Model Years 2008 To 2017
KC-2254
Mack Chassis - No Gauge Cluster Backlight
KC-2165
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-859
Mack Chassis - Fault Code List / Engine Control Module (ECM), Aftertreatment Control Module (ACM), Electrical System Version 4 Diagnostic Trouble Codes (DTC) Model Year 2013 - 2017
M-265-002
TSB-Charge Air Cooler t-clamp install.
M-413-004
2009 Document reformatted to be published as a TSB in Impact. Air-Operated Clutch Assist Adjustment and Troubleshooting
M-451-002
2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles
M-652-001
2009 Document reformatted to be published as a TSB in Impact. Axle Alignment Specifications
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-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-2116
NOx Sensor 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-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-652
Mack Low Oil Pressure Diagnostic Process For 11 Liter Engines
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-629
Mack SNM14-038 When And How To Contact Tech Support ( eService & Phone )
KC-610
Mack Delphi Radio Theftlock Code Generator
KC-611
Mack SNM14-015 " Revised " Alternative Towing Procedures For m-DRIVE Equipped Chassis
KC-826
Volvo Chassis - Crankcase Ventilation ( CCV ) Oil Leaks - Technical Service Bulletin M-257 - 004, Technical Service Bulletin M-257 - 006 - US14 And US15 Emissions
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-561
Engine Oil Analysis Specifications - US10 And Newer Emissions
KC-492
Diagnostic Trouble Code (DTC) P04DB - Crankcase Ventilation Disconnected; US10+OBD13 To US14+OBD16 Emissions
KC-495
Intake Pre-heater Electrical Schematics (Diagrams) - US10+OBD13, US14+OBD13 To US14+OBD16 Emissions
KC-2157
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-478
Variable Geometry Turbocharger ( VGT ) Function Test ( 2551-08-03-02 ), OBD13 Model Year ( MY ) 2014 And Newer
KC-450
Diagnostic Trouble Codes ( DTC ) P20EE, P207F And P103C, Diagnostic Procedure - REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US10+OBD2013 to US14+OBD2016 (Non-Common Rail) Emissions, Commonly Model Years 2014 To 2017
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
KC-394
Mack Chassis - CXU - Lane Departure Warning System ( LDWS ) More Sensitive To The Right-hand ( Passenger ) Side Of The Vehicle; PI0882
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-404
Volvo Chassis - Diesel Exhaust Fluid ( DEF ) Contamination In Fuel System, Inspection And Repair - US10 to US14 ( Non-Common Rail Fuel System )
KC-283
Mack Chassis - Models - Anthem (AN), Pinnacle (PI, CXU, CHU) - Headlamp Aiming Instructions;
KC-286
Mack Chassis - FSB 563-008 Plugs, Pressure Protection Manifold - New Brass Plugs For Noregon Pressure Protection Manifold (PPM)
KC-253
Mack Chassis - FSB 237 - 020, Unit Injector Yoke Hold - Down Bolt Torque Specification
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
GDC21-011
Exhaust Gas Temperature Sensor Circuit Range/Performance
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-73
Mack Chassis - Disabling The Driver ID; Removing the Driver ID Prompt - US07 To US14+OBD16 Emissions, Model Years 2008 To 2017
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-163
Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year 2008 And Newer
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-692
Lighting Control Module ( LCM ) Replacement - Refer To Technical Parts Information ( TPI ) 364 - 034 Control Unit
CBR-15
Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions
FSB 491-032
Transmission Oil Cooler Hose, Replacement
K65527708
Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 And Newer Chassis ONLY
K71313015
Hood Insulation Separating From Hood, Insulation Installation Instructions
K84061935
Mack Chassis - Diagnsotic Trouble Code P026D-00, Fuel Injection Quantity Higher Than Expected; Diagnosis And Information - US14+OBD15 Emissions, Model Year 2016
U105
Mack has determined that certain vehicles equipped with a model year (?MY?) 2014 MP7 engine may be equipped with an aftertreatment hydrocarbon injector system (AHI) that may not fulfill expected performance criteria pertaining to the life expectancy of an AHI.
U107
Mack has determined that certain vehicles equipped with a model year (?MY?) 2014 MP8 model engine may be equipped with unit injectors that may not fulfill expected performance criteria pertaining to the life expectancy of a unit injector.
K93823300
Mack Chassis - Pinnacle (CHU,CXU), Granite (GU) With Mack Engine ONLY - Power Take Off ( PTO ) Engine Speed Control Inoperative; Engine Speed Does Not Ramp When PTO Is Activated - Model Year 2014 And Newer
K84940464
Expired - Refer To K45673535 - Mack Chassis SNM15-002b mDRIVE Transmission Service Strategy ( Revised failure mode descriptions )
K15194127
Mack Chassis - Fault Code SID 158 FMI 0 Logging In Instrument Cluster ( MID 140, IC ), No Code Description Or Diagnostic Information
K23315031
Fuel Tank Strap Insulator Design Update; Fuel Tank Strap Appearance Changed
K25229168
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
K76992557
Aftertreatment Hydrocarbon Injector (AHI, 7th Injector) Changes Between US10 And US17 (GHG17, Common Rail Fuel System) - Chassis Experiencing High soot Accumulation, Abnormal ( Too High, Overtemp, Too Low ) Regeneration Temperatures Following An Aftertreatment Hydrocarbon Injector Nozzle Replacement Procedure
K04247174
Diagnostic Trouble Code ( DTC ) P471 Illuminating The Malfunction Indicator Lamp (MIL) - US17+OBD16, US17+OBD18 (GHG17, Common Rail Fuel System) Chassis With Turbo Compound ONLY
K72614548
Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY
K01050303
Diagnostic Trouble Code ( DTC ) P0471 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY
K04342327
Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY
K58557784
Fuel Injector Offset Learning Diagnostic Trouble Codes ( DTC ) / Fault Codes Logged In Engine Control Module ( EMS ); Possible Rough / Uneven Idle - OBD15 Chassis
FSB284064
ECM and ACM Reprogramming, OBD2015
FSB-284-061
MACK TRUCK: SHOULD REPROGRAMMED ENGINE ECU AND AFTERTREATMENT CONTROL MODULE (ACM) DUE TO PREMIUM TECH TOOL EXPERIENCE AN ERROR CODE 38 FOR SCR OVERTEMP AND ENGINE ECU SOFTWARE NEEDS CHECKING FOR ANY TROUBLESHOOTING IS PERFORMED. MODEL 2013-15 CHU, CXU, GU, LEU, MRU, TD. *PE
284-056-01
MACK TRUCKS 2015 MODEL YEARS: BULLETIN INFORMATION REGARDING NEW ENGINE HARNESS CHANGES MP7, MP8,US2014 CHU, CXU, GU, LEU, MRU. THE RETAINING CLAMPS HAVE CHANGED FROM METAL TO PLASTIC WITH METAL INSERTS THAT ARE INTEGRATED INTO THE HARNESS. *LJ
FSB-364-037
MACK: WHEN THE OUTPUT FROM THE VECU GETS SHORTED OUT TO GND, THERE IS NO WARNING AND CAUSES 5TH WHEEL TO SLIDE WITHOUT ACTIVATING 5TH WHEEL SLIDE SWITCH AND NEEDS TO BE REPROGRAM. MODEL 2010-2014 CHU, CXU, GU, TD. *PE
FSB-375-012
MACK: WHEN THRESHOLD OF HIGH VOLTAGE HAS BEEN MET, THE LIFEGUARD BATTERY PROTECTION SYSTEM (LVD) RELAY MAY NOT TURN LOADS BACK ON, DUE TO AN ASSEMBLY ERROR AT SUPPLIER. MODEL 2010-2014 CHU, CXU. *PE
FSB-511-002
MACK: THE PROTRUSION OF BRAKE SHOES BEYOND BRAKE DRUM IS BEING REPLACED WITH NEW 152MM (6.0 IN) BRAKES SHOES, 178 MM (7.,0 IN) WIDE BRAKE DRUMS ON SOME TRUCKS. MODEL 2011-2014 CHU, CXU, GU, TD. *PE
FSB-511-009
MACK: BRAKE SHOES PROTRUDES BEYOND BRAKE DRUM AND CAN BE RESOLVED BY INSTALLING BRAKE SHOES 152MM (6.0 IN) AND WIDE BRAKE DRUMS 18MM (7.0 IN). MODEL 2011-2014 CHU, CXU, GU, TD. *PE
PI-0847
MACK: SOFTWARE IN FUEL MANAGEMENT MODULE (FMM) HAD INCORRECT CALIBRATION AND OPEN CIRCUIT FAULT CRITERIA, CAUSING LOW FUEL WARNING TO COME ON TOO SOON AND SHOWED FULL WHEN FUEL LEVEL SENSOR SIGNAL BECAME OPEN. *PE
FSB-234-018
MACK TRUCK: TO INCREASED PROTECTION AGAINST FUEL INJECTOR TIP EROSION, A NEW FUEL TANK VENTILATION FILTER WAS IMPLEMENTED, AND MOUNTS ON OUTSIDE OF FRAME RAIL, USING FUEL TANK J BRACKET HUCK FASTENERS. MODEL CHU, CXU, GU, TD. *PE
FSB-234-019
MACK TRUCK: MOUNTED OUTSIDE OF FRAME RAIL, IS NEW FUEL TANK VENTILATION FILTER MOUNTING SLEEVE, USING FUEL TANK J BRACKET HUCK FASTENERS AND TO INCREASE PROTECTION AGAINST FUEL INJECTOR TIP EROSION. MODEL CHU, CXU, GU, TD. *PE
PI-0848
MACK TRUCK: IN THE WIRE HARNESS THAT CONNECTS THE CHASSIS TO TANK, SOME WIRE SEALS MAY BE MISSING, AND CAN CAUSE CORROSION AT CONNECTIONS. MODEL CXU. *PE
FSB-593-013
MACK TRUCK: THE GRADE GRIPPER FEATURE, ON SOME TRUCKS, ARE PRONE TO HARSH ENVIRONMENTS WITH INTERNAL CONTAMINATION, CAUSED BY BUILD UP OF GRIME, SALT, ROAD DEBRIS AND OTHER CONTAMINANTS. MODEL CHU, CXU, GU, TD. *PE
PI-0842
MACK TRUCK: SOME TRUCKS HAVE PREPRODUCTION ENGINE EMISSION CERTIFICATION LABEL THAT NEEDS TO BE REMOVED AND REPLACED WITH UPDATED OR CORRECTED ENGINE EMISSION CERTIFICATION LABEL. MODEL 2014 CHU, CXU. *PE
SRA-M-0374
MACK: THERE IS AN AUTOMATIC ELECTRIC OVER SPEED PROTECTION SHUTDOWN THAT MONITORS DIESEL ENGINE RPM AND ENGINE SHUTDOWN IN EVENT OF AN OVER SPEED CONDITION, WHICH MAY BE CAUSED BY GASES, IN TRUCKS, IN OFF ROAD AREAS AND PULLED THROUGH AIR INTAKE. MODEL 2014 CHU, CXU, GU. *PE
FSB-413-003
MACK: ON SOME TRUCKS, MORE LEG AND KNEE ROOM WAS PROVIDED FOR OPERATOR COMFORT DUE TO AIR OPERATED CLUTCH ASSIST SYSTEM DESIGNED TO REDUCE CLUTCH PEDAL EFFORT BY 20% AND CLUTCH PEDAL TRAVEL BY 2' (50.8MM). MODEL CHU, CTP, CXP, CXU, GU. NO YEARS LISTED. *PE
FSB-512-002
MACK: AIR DISC BRAKE EXPERIENCING THERMAL OVERLOAD CONDITION THAT OVER ADJUSTMENT OF NORMAL PAD WEAR COMPENSATION THAT MAINTAINS RUNNING CLEARANCE BETWEEN BRAKE PAD AND ROTOR AND REDUCES RUNNING CLEARANCE BELOW DESIRED LEVEL. MODEL CHU, CXU, GU, LEU, MRU, TD. NO YEARS LISTED. *PE
SRA-M-13-04
MACK: SAFETY RECALL, ON CERTAIN TRUCKS, ON LOWER AND UPPER STEERING SHAFT PINCH BOLT THAT WAS NOT TORQUED TO SPECIFICATION AND STEERING SHAFT BECOMES LOOSE AND HAVE NO STEERING CONTROL. MODEL 2014 CXU, GU. *PE
FSB-831-002
MACK: THE DOOR STOP BRACKET WILL FAIL, ON SOME TRUCKS, DUE TO AN OVER EXTENSION OF DOOR, BUT A NEW DOOR DESIGN ASSEMBLY IS AVAILABLE. MODEL CHU, CXU, GU, TD. NO YEARS LISTED. *PE
PI-0827
MACK: INFORMATION PROCEDURE REGARDING THE INSPECTION AND REPLACEMENT OF TOP PLATE AND SPRING SEAT, DUE TO DEFECTIVE BUSHINGS OF TWIN Y AIR SUSPENSION, IF NEEDED. MODEL CHU, CXU. NO YEARS LISTED. *PE
FSB-371-045
MACK TRUCK: REGARDING THE BREAKING OR CRACKING, AT STARTER SOLENOID STUD, OF 90 DEGREE POSITIVE BATTERY CABLE LUG; THE LUG WAS BENT AT TIME OF ASSEMBLY, AND ENGINE VIBRATES, CAUSING TERMINATION OF TERMINAL TO WEAKEN. MODELS CXU, GU. MODEL YEARS NOT LISTED. *PE UPDATED 1/24/2014 *JS
FSB-221-010
MACK TRUCKS: LOW OIL PRESSURE. STORED DTC SPN 100 FMI 1, DURING LONG HARD PULL CONDITIONS. *JS
FSB-364-036
MACK TRUCK: FLASHERS ARE TO BE REMOVED DUE TO DURABILITY ISSUES. *JS
FSB-413-001
MACK TRUCKS: THE AIR ASSISTED CLUTCH CABLE ON SOME VEHICLES MAY FRAY AT THE CLEVIS. *JS
FSB-873-015
MACK TRUCKS:DUE TO EXCESSIVE MOISTURE IN THE CLIMATE UNIT, SOME VEHICLES MAY DEVELOP A BLOWER MOTOR FAILURE. *JS
PI-0823
MACK TRUCKS: THE CHASSIS FAIRING SKIRT NEEDS TO BE INSTALLED. *JS
FSB-364-035
MACK TRUCKS: NEW SWITCH MOUNTING BRACKET WAS DEVELOPED TO REPLACE EXISTING TURN SIGNAL SWITCH MOUNTING BRACKET, DUE TO CONTACT BETWEEN SWITCH FINGERS AND SLEEPING SHAFT, THAT CAUSED SWITCH OPERATION TO IMPROPERLY CANCELS ITSELF. MODEL CHU, CXU, GU, TD. *PE
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.