Vehicle report

2021 MACK GRANITE (GU)

Service bulletins

80 bulletins

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

Service Bulletin/Repair Instructions

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-2013 202404

Service Bulletin/Repair Instructions

CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.

CBR-2360 202404

Service Bulletin/Repair Instructions

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

CBR-2139 202403

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

CBR: After cluster replacement and programming, the Driver Information Display (DID) may not function as designed.

CBR-2350 202402

Service Bulletin/Repair Instructions

CBR -Telematics Gateway (TGW) Connect Ability Issues

S3630 202402

Service Bulletin/Repair Instructions

Service Campaign - MP8 Stainless Oil Pan.

CBR-2014 202402

Service Bulletin/Repair Instructions

CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.

CBR-202 202402

Service Bulletin/Repair Instructions

CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.

CBR-2347 202402

Service Bulletin/Repair Instructions

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

CBR-2333 202401

Service Bulletin/Repair Instructions

CBR: TGW Will Not Connect After SIM Card Replacement

CBR-2016 202401

Service Bulletin/Repair Instructions

CBR: Frame Or Cab Lean

CBR-2320 202312

Service Bulletin/Repair Instructions

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.

PSM23m2na71

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

M-258-014 202309

Service Bulletin/Repair Instructions

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

M-141-001 202308

Service Bulletin/Repair Instructions

TSB: Air Restriction Indicator

CBR-2131 202308

Service Bulletin/Repair Instructions

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

M728-005A 202308

Service Bulletin/Repair Instructions

TSB: Barksdale Leveling Valve, Leak Test

CBR-2112 202307

Service Bulletin/Repair Instructions

CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission

CBR-2303 202307

Service Bulletin/Repair Instructions

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

SLM23-005

Service Bulletin/Repair Instructions

Service Literature Published and Released in May, 2023

KC-2050

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) P225C00 : NOx1 Sensor Stuck High - US17+OBD2019 And Newer Emissions

KC-331-Ver6

Service Bulletin/Repair Instructions

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

KC-503-Ver3

Service Bulletin/Repair Instructions

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

KC-2229-Ver2

Service Bulletin/Repair Instructions

CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode

KC-474-Ver5

Service Bulletin/Repair Instructions

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

KC-2266

Service Bulletin/Repair Instructions

CBR: Mack Granite - Diagnostic Trouble Code (DTC) P208464

KC-2264

Service Bulletin/Repair Instructions

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

M-170-001

Service Bulletin/Repair Instructions

TSB: Stock Vehicle Storage and Maintenance

M-170-002

Service Bulletin/Repair Instructions

TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada

M-170-003

Service Bulletin/Repair Instructions

TSB: Vibration Diagnostics

M-700-001

Service Bulletin/Repair Instructions

TSB: Frame Flange Relief Cut-out Templates with 105 millimeter Frame Flanges

M-773-005a

Service Bulletin/Repair Instructions

TSB: Hub Cap, Leaking

M-773-005

Service Bulletin/Repair Instructions

New TSB- Hub cap leaking

S7627

Service Bulletin/Repair Instructions

Mack MMD Alternator Pulley

KC-2254

Service Bulletin/Repair Instructions

Mack Chassis - No Gauge Cluster Backlight

KC-2165

Service Bulletin/Repair Instructions

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

KC-2253

Service Bulletin/Repair Instructions

Barksdale Height Control Valve Troubleshooting Guide

M-852-001

Service Bulletin/Repair Instructions

2007 document reformatted to be published as a TSB in Impact. Lateral cab movement bracket.

KC-365

Service Bulletin/Repair Instructions

Mack Chassis - Technical Service Bulletin M-728-005, Leveling Valve, Leak Test, Air Leaks From The Leveling Valve After The Vehicle Is Parked (Shut Off)

KC-2107

Service Bulletin/Repair Instructions

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

KC-552

Service Bulletin/Repair Instructions

Aftertreatment Control Module ( ACM ) Diagnostic Trouble Codes ( DTC ) U0001-88 and U0010-88 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Derate Warning – US10 And Newer Chassis

KC-561

Service Bulletin/Repair Instructions

Engine Oil Analysis Specifications - US10 And Newer Emissions

KC-478

Service Bulletin/Repair Instructions

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

KC-415

Service Bulletin/Repair Instructions

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

S7567

Service Bulletin/Repair Instructions

EPRV Delete & Fuel Rail Pressure Sensor Update

KC-383

Service Bulletin/Repair Instructions

Mack Chassis - Equipped With Bendix Fusion, With Or Without Lane Departure Warning ( LDWS ) - Diagnostic Trouble Code ( DTC ) SPN 70 FMI 9, Bendix Code 64 With Possible "Lane Departure Warning Malfunction" Message - US17 And Newer

KC-391

Service Bulletin/Repair Instructions

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

KC-401

Service Bulletin/Repair Instructions

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

KC-402

Service Bulletin/Repair Instructions

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-406

Service Bulletin/Repair Instructions

Dye Test Procedure; Fuel System Leak Check - Common Rail Fuel System - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer

KC-354

Service Bulletin/Repair Instructions

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

KC-297

Service Bulletin/Repair Instructions

Mack Chassis - Adding Snow Plow Lights - Parameter And Variant Changes

KC-286

Service Bulletin/Repair Instructions

Mack Chassis - FSB 563-008 Plugs, Pressure Protection Manifold - New Brass Plugs For Noregon Pressure Protection Manifold (PPM)

KC-2043

Service Bulletin/Repair Instructions

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

KC-275

Service Bulletin/Repair Instructions

(Back Office Only) Vehicles Equipped With A Turbo Compound Engine - Report Of Frequent Air Compressor Cycling. Secondary Air System Air Pressure Decreases Slowly When Engine Is At Low Idle - US17+OBD16 And Newer Emissions, Model Year 2018 And Newer

KC-238

Service Bulletin/Repair Instructions

Mack Chassis - Where To Find The Body Builder Portal - Body Builder Manual ( BBM ) Information - US04 And Newer Emissions, Model Year 2008 And Newer

KC-221

Service Bulletin/Repair Instructions

Mack Chassis - Granite 8 Series (GU, GU8, GR, M059, M753, M755) - Hood Guide Backing Plate - Updated Part Information And Installation Procedure;

GDC21-011

Service Bulletin/Repair Instructions

Exhaust Gas Temperature Sensor Circuit Range/Performance

KC-145

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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-70

Service Bulletin/Repair Instructions

Mack Chassis - Model GR/GU - Hood Warpage

KC-167

Service Bulletin/Repair Instructions

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-159

Service Bulletin/Repair Instructions

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 2018 Instrument Cluster Update, Model Year 2018 And Newer

KC-163

Service Bulletin/Repair Instructions

Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year 2008 And Newer

KC-193

Service Bulletin/Repair Instructions

Mack Chassis - Particulate Matter (PM) Sensor Diagnostic Trouble Codes (DTC) Illuminating The Malfunction Indicator Lamp (MIL); Tech Tip TT-014-2016 - US14+OBD16, US17+OBD16 And Newer Emissions, Common Model Year 2017 And Newer - To Be Used For EVERY

KC-130

Service Bulletin/Repair Instructions

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

KC-136

Service Bulletin/Repair Instructions

Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium Tech Tool (PTT) - US10+OBD13 And Newer Emissions

KC-124

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

SNM21-006

Service Bulletin/Repair Instructions

Remote Software Downloads

CBR-15

Service Bulletin/Repair Instructions

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

K53338075

Service Bulletin/Repair Instructions

Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions - US10+OBD13 And Newer Emissions, Model Year 2014 And Newer

K31126441

Service Bulletin/Repair Instructions

Diagnostic Trouble Code (DTC) P2042-01: Diagnostic Instructions - US17+OBD16 Emissions And Newer

K01157283

Service Bulletin/Repair Instructions

Front Accessory Drive Noise, Alternator Belt Wear, Alternator Belt Tensioner Failure - Model Year 2017 And Newer

S7455

Service Bulletin/Repair Instructions

GR/GU ABS valve bracket installed incorrectly

Reading this report

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.

2021 Mack Granite (gu) Service Bulletins: 80 bulletins | CarFathom