2024 Mack Pinnacle (pi/PN) TSBs
104 Technical Service Bulletins across 14 categories
Categories
Engine
21 bulletinsParker engine-mounted hydraulic pump service bulletin.
Mack Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC)...
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During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018Instrument Cluster Update, Model Year2018 And Newer
Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.
CBR - 13 Liter Engines ONLY - Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In...
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Between The Coolant Pump Housing And Oil Cooler Housing.
Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure)...
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(Possible Related Codes - SPN4811 , SPN 100 , PID 100)
Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping.
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These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring.
CBR - 11L Engine block compatibility and Backward Conversion Parts Requirements
Emission Recall - Mack Trucks has determined that certain vehicles equipped with a model year (MY) 2022-2024 MP8 model...
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engines, may be equipped with an improper engine software calibration that does not match the engine certification label.
CBR - 13L Engine - Rear Main Oil Seal Leak - Model Year 2025
CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From...
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Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer
CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
CBR: Turbo Compound 2nd Generation - EGR And O r DPF Diagnostic Trouble Codes(DTC), Diagnostic And Repair Information
CBR: Turbo Compound 2nd Generation - EGR And / Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information.
CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
Service Campaign: Mack trucks has determined that certain AN, GR, PI, and TE model trucks built with a MP8 engine could...
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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: The purpose of this solution is to give information on Engine Control Module (EMS) Software content.
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This document lists issues or problems (DTCs, Fault Codes) mitigated or resolved in specific EMS software.
CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the...
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engine may move excessively and rub the area where it secures the line.
CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines
Campaign: Incorrect valve and injector adjustment
Engine Block Debris
Other
21 bulletinsThe purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With...
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intermittent loss of throttle.
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
CBR - Mack Carrier Nut Adhesive Change.
CBR - Parker F3 Hydraulic Pump Troubleshooting.
CBR - No Start Condition After Over the Air Programing.
CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication...
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but failing to transmit GPS location data.
Mack trucks has determined that certain model year 2021-2024 PI models built with 4.19 rear axle ratios could experience...
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elevated axle oil temps under high road speeds. To correct this issue the 4.19 ratio carriers need to be swapped to 3.79 ratio carriers. Follow the instructions below to replace both carriers with new ones.
Mack Chassis - Rear Axle Overheat
CBR - One-Box SCR Weld Leaks.
CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F
CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
CBR: Telematics Gateway (TGW) Connect Ability Issues
CBR: Diagnostic Trouble Code (DTC) P107471 -AMT-F
CBR -Telematics Gateway (TGW) Connect Ability Issues
CBR: TGW Will Not Connect After SIM Card Replacement
CBR: Frame Or Cab Lean
Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers.
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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.
iLok Fastener Torque
CBR: Diagnostic Trouble Code (DTC) U1FFF68 - Factory Mode Active, Event Information - Model Year (MY) 2023
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
Electrical
14 bulletinsSC - Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which...
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does not meet our specifications.
CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4)...
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and PR(4)).
CBR - Mack Temperature Sensor Troubleshooting Guide
CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a...
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Critical failure, the vehicle will remain in Safe State.
Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does...
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not meet our specifications.
CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024
CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU
CBR: Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024
Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
Diagnostic Trouble Code (DTC) P103200: Particulate Matter Sensor Removed from Exhaust - US21+OBD22 Emissions
Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024
Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
CBR: Diagnostic Trouble Code (DTC) P225C00 : NOx1 Sensor Stuck High - US17+OBD2019 And Newer Emissions
Transmission
9 bulletinsIf the vehicle door is open and the truck is in neutral, a popup message may appear on the Driver Information Display...
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(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 - Mack Chassis - Timing Gear Plate Repair
CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being...
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replaced due to technicians being unable to pinpoint the source of the air leak.
CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And...
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Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
Parts Sales and Marketing Bulletin: Mack Trucks is excited to announce an additional year warranty program on REMACK...
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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.
CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81...
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Fault Codes Being Generated
CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode
CBR: Timing Gear Plate Repair.
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This solution provides supplementary information to be used when installing a Timing Gear Plate with Integrated Seal.
Pre-Delivery & Maintenance
7 bulletinsService Campaign: TGW3 Non-Communication
Service Campaign: Mack trucks has determined that certain AN, GR, PI, TE, and LR model trucks built with TGW3 have...
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stopped communicating after production.
CBR - Accelerator Pedal: Inspection Instructions
Service Campaign: OTA Premature Oil Service Pop-up
CBR: Pre-Delivery Inspection (PDI) Torque Values.
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This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI).
CBR: Mack - Pre-Delivery Inspection (PDI) Torque Values
Campaign for PTO switch, programming
Suspension
6 bulletinsCBR - Z Spring Bracket Wear.
Frame lean can be caused by several seemingly isolated possibilities.
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The two most common are suspension and frame assembly issues.
Service Campaign - MMD Suspension Bracket Torque.
CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering
Hub Cap, Leaking
Infotainment
6 bulletinsCBR: Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
CBR: Drivers Information Display (DID)Inoperative After Cluster Replacement And Programming
CBR - Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
CBR - Drivers Information Display (DID) Inoperative After Cluster Replacement And Programming
CBR: After cluster replacement and programming, the Driver Information Display (DID) may not function as designed.
CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver...
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Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster
Fuel System
5 bulletinsIf oil dilution is suspected refer to the applicable CBR solution below: CBR-659Mack Chassis - Oil Diluted With Fuel;...
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Fuel In Oil, Diagnostic Information - All Emissions, All Model Years
CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY)
CBR: Vehicle Speed Factor (K-Factor) Programming - Speed Factor Value Incorrect When Calculated In Premium Tech Tool...
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(PTT); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor - US17+OBD16 And Newer Emissions, Common Model Year 2018.
CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
CBR: Diagnostic Trouble Code (DTC) P008A - Low Pressure Fuel System Pressure - Too Low
Brakes
5 bulletinsCBR: Mack Anthem (AN) And Pinnacle (PI) -Bendix ABS Fault SPN 807 FMI 13 Blink code 19-4
CBR - Brake Caliper Concerns And Premature Brake Pad Wear - Model Year 2023 - 2024
CBR: Chassis Equipped With VECU5 Active Datalink/Communication Faults For Multiple Modules; ABS And SRS Communication...
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Faults
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
CBR: SNM 20-005 - HD Disc Brake Rotor Upgrade
Steering
4 bulletinsService Campaign: Mack trucks has determined that certain AN, GR, and PI models were built using the incorrect power...
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steering cooler hose clamps.
SC - Steering Stub Shaft Hardware Replacement
Service Campaign: Steering Stub Shaft Hardware Replacement
Campaign - Mack trucks has determined that certain AN, GR, and PI models were built using the incorrect power steering...
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cooler hose clamps.
Body & Paint
3 bulletinsCBR - Mack Chassis - Dash Panel Cracking at Mounting to BIW.
Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model...
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Year 2018 And Newer
CBR: Mack Chassis - Day Cab Glass Breakage
Tires & Wheels
1 bulletinCBR: Vehicles Equipped With A Lift Axle - Wheel Speed Fault Code SPN 793, SPN 794 Set When Axle Is Up
Lighting
1 bulletinCBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the...
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parameter YYT is set to "Enable" with Premium Tech Tool.
HVAC & Climate
1 bulletinCBR: Mack Pinnacle With 70 Inch Sleeper -Heater Hoses/Pipes Rubbing Inner Hood