2021 Mack Pinnacle (pi/PN) TSBs

Mack Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC)...

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...

Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure)...

Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping.

CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From...

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.

CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the...

CBR: "Spitting" or "puffing" of air from purge valve.

Barksdale Leveling Valve, Leak Test

CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions

Engine Control Module (EMS) Software (MSW) Information - Improvement List, Through June 2023 - US21+OBD2020 Emissions

CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines

Oil In Coolant - Cross Contamination From Oil Cooler - 13L VGT Engines

Engine Control Module (EMS) Software Information - Improvement List (Change Log), March 2023 US21+OBD2021 Emissions...

Barksdale Height Control Valve Troubleshooting Guide

Turbo Compound 2nd Generation - EGR And/Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information

TBS- Jumper Harness,Wiper Motor,Replacement

Turbo Compound 2nd Generation - EGR And/Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information

Programming Failure - Chassis With Cummins Engine And An Allison Transmission

11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions

(Back Office Only) - Engine Brake Vibration When In High Setting - 13L Engine With Variable Geometry Turbo ( VGT ) -...

US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.

Vehicles Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F ) - Transmission Oil Leakage From...

Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions

Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And...

Mack Low Oil Pressure Diagnostic Process For 11 Liter Engines

Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1...

Mack Chassis - Equipped With An Automated Manual Transmission Model D or F (mDrive, AMT-D, AMT-F) - Transmission Oil...

Mack Chassis - Technical Service Bulletin M-728-005, Leveling Valve, Leak Test, Air Leaks From The Leveling Valve After...

Engine Oil Analysis Specifications - US10 And Newer Emissions

TC Engine Turbochargers

Variable Geometry Turbocharger ( VGT ) Function Test ( 2551-08-03-02 ), OBD13 Model Year ( MY ) 2014 And Newer

Engine Control Module (EMS) Software (MSW) Information - Improvement List, November 2021 - US21+OBD2020 Emissions

(Back Office Only) Vehicles Equipped With A Turbo Compound Engine - Report Of Frequent Air Compressor Cycling.

Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During...

Automated Manual Transmission( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer - Light Turbo Surge ( Chuff )...

Valve Cover Oil Leak at T Joint

Inlet Valve Spring Replacement

11 Liter Engines - Fuel In Oil - Vehicles Built Between October 2020 And June 2021

Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions

Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions

Vehicles Equipped With a Common Rail Fuel System - Aftermarket Secondary Fuel Filters, Important Information On Approved...

If oil dilution is suspected refer to the applicable CBR solution below: CBR-659Mack Chassis - Oil Diluted With Fuel;...

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...

CBR: Intermittent Diagnostic Trouble Codes U02A3,U029D, U029E - USE FOR NEW VEHICLES (US21+OBD22 Emissions)

CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions

Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions

Diagnostic Trouble Codes (DTC) P208064, P208464, P242B64 and P246F64 Lighting The Malfunction Indicator Lamp (MIL) -...

USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E

fuel in the oil inspection

Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions.

Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.

DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions.

Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit...

DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions

Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions

Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions

USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E

Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination

Diagnostic Trouble Code ( DTC ) P26E8 Intermittently Lighting The Malfunction Indicator Lamp ( MIL ); Possible Derate...

Dye Test Procedure; Fuel System Leak Check - Common Rail Fuel System - US17+OBD16 And Newer Emissions, Common Model Year...

Diagnostic Trouble Codes (DTC) P24F600 Or P24F700 - US14+OBD15 Emissions And Newer, Model Year 2016 And Newer

Dye Test Procedure; Fuel System Leak Check - Common Rail Fuel System - US17+OBD16 And Newer Emissions, Common Model Year...

Volvo Chassis - Diagnostic Trouble Code (DTC) SA 0 FMI 0 or SPN 0 FMI 0 Present On Fault Code Readout - US10 And Newer...

Mack Chassis - Where To Find The Body Builder Portal - Body Builder Manual ( BBM ) Information - US04 And Newer...

Premium Tech Tool (PTT) Error Code 43: Service Regeneration Fails To Start; Service Regen Does Not Complete With Error...

Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year...

Air In The Fuel System Tests, Common Rail Fuel System - US17+OBD16 and Newer Emissions

Exhaust Stack Height Change with Aero

Diagnostic Trouble Codes (DTC) P208064, P208464, P242B64 and P246F64 Lighting The Malfunction Indicator Lamp (MIL) -...

Secondary Fuel Filter replacement

CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.

CBR - Mack Carrier Nut Adhesive Change.

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...

Mack trucks has determined that certain model year 2021-2024 PI models built with 4.19 rear axle ratios could experience...

Mack Chassis - Rear Axle Overheat

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

Fleet Improvement - Atlantic Waste axle temp

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.

Air Restriction Indicator

CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19

Back Office Mack Chassis - Secondary Gauge Set Up - Model Year 2018 and Newer.

Premium Tech Tool ( PTT ) Training Materials And Support Tools

DEF Pump Cycling periodically Hours After Key Off

Mack - PTO Pump Speed Calculator

(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)

Mack Chassis - Accessory / Auxiliary Connection Points ( Power/Ground Points ) - Anthem, Pinnacle, Granite - Model Year...

Mack Chassis - Equipped With Bendix Fusion, With Or Without Lane Departure Warning ( LDWS ) - Diagnostic Trouble Code (...

Mack Chassis - SNM16 - 043 Mack mRide V Stay Rod Ball And Washer Change

Mack Chassis - FSB 563-008 Plugs, Pressure Protection Manifold - New Brass Plugs For Noregon Pressure Protection...

Mack Models CHU, CXU, AN, PI - Troubleshooting And Repair Information For The Indel B Refrigerator - All Model Years

Canada Non-Compliance DRL overide

Improved method for determining which DTC to troubleshoot in a MIL on situation

Coolant Drain Line

CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(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...

Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer

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

Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement

Diagnostic Trouble Code (DTC) P103200: Particulate Matter Sensor Removed from Exhaust - US21+OBD22 Emissions

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

Mack MMD Alternator Pulley

DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer.

NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.

(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).

No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"

Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer

Low Voltage Disconnect (LVD), Function Description

NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions

DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer

Aftertreatment Control Module ( ACM ) Diagnostic Trouble Codes ( DTC ) U0001-88 and U0010-88 Lighting The Malfunction...

DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer

EPRV Delete & Fuel Rail Pressure Sensor Update

Exhaust Gas Temperature Sensor Circuit Range/Performance

Mack Chassis - Particulate Matter (PM) Sensor Diagnostic Trouble Codes (DTC) Illuminating The Malfunction Indicator Lamp...

Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium Tech Tool (PTT)...

TECU SOFTWARE UPDATE

VECU Software Update

VECU Active code and no MIL Lights

SCR Fittings, One Box, Replacement PM, NOx and Temperature Sensor Fittings

If the vehicle door is open and the truck is in neutral, a popup message may appear on the Driver Information Display...

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...

CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And...

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...

CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81...

CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode

CBR: Timing Gear Plate Repair.

Timing Gear Plate Inspection

Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim...

Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault...

Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool (...

Mack Chassis - Automated Manual Transmission Model F ( AMT-F, mDrive ) - Short Transmission Replacement; Calibration...

Automated Manual Transmission (AMT) (Spigot Bearing) Input Shaft Repair Kit And Shim Kit, Part Number Information,...

Mack Chassis - Equipped With An Automated Manual Transmission (mDrive, AMT) AMT-C, AMT-D Or AMT-F - Transmission Oil...

Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24 FMI 1, P1072-92...

CBR - There have been a few trucks that have not passed the chuff test due to hose configuration and the software...

CBR: Mack Anthem (AN) And Pinnacle (PI) -Bendix ABS Fault SPN 807 FMI 13 Blink code 19-4

CBR: Chassis Equipped With VECU5 Active Datalink/Communication Faults For Multiple Modules; ABS And SRS Communication...

CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).

CBR: SNM 20-005 - HD Disc Brake Rotor Upgrade

Mack Chassis - P05E662 Park brake Sensor/Switch Circuit Range/Performance, Signal Compare failure - Diagnostic...

Mack Chassis - Anthem (AN) And Pinnacle (PI) - ABS Modulator Wiring Rubbing Front Shock

Disc Brake Rotor, Replacement

Mack Chassis - Anthem (AN) And Pinnacle (PI) - ABS Modulator Wiring Rubbing Front Shock

Mack Chassis - Bendix ABS Fault SPN 807 FMI 13 Blink code 19-4

CBR - Z Spring Bracket Wear.

Frame lean can be caused by several seemingly isolated possibilities.

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

New TSB- Hub cap leaking

Electronically Controlled Suspension (ECS) Losing Air Pressure

Mack Chassis - Front Hub With Unit-Bearings ( Unitized Wheel Bearings ), Inspection Information And Guidelines -...

Proprietary Steerable Axle Hubcap Replacement

CBR: 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...

Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information...

Noise On The AM Radio Band; Thumping, Ticking, Fluttering Sound On AM Radio Band - Model Year 2018 And Newer

Volvo Chassis - Certain Volvo Trucks Built After January 11, 2016 May Experience an Issue with the Instrument Cluster...

CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the...

Mack Chassis - No Gauge Cluster Backlight

TSB-Charge Air Cooler t-clamp install.

Mack Chassis - Incorrect Fog Lamp Electric Terminal Pinning - AN, GR, PI Models

Mack Chassis - Models - Anthem (AN), Pinnacle (PI, CXU, CHU) - Headlamp Aiming Instructions;

CBR - 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...

CBR: Mack Chassis - Day Cab Glass Breakage

Incorrect Data on Door Label Set

CBR - Accelerator Pedal: Inspection Instructions

Mack Dealer Support Communication - Selecting The Proper SR Area For Creating An eService

Service Literature Published and Released in April, 2022

Draglink Split Pin Inspection

CBR: Mack Pinnacle With 70 Inch Sleeper -Heater Hoses/Pipes Rubbing Inner Hood

Mack Chassis - SNM15-027 A/C Compressor Inspection Required For Warranty Repairs

Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information

Remote Software Downloads

CBR: Vehicles Equipped With A Lift Axle - Wheel Speed Fault Code SPN 793, SPN 794 Set When Axle Is Up