AutoStatsIQ
Data through Oct 2026
Model year

2021 Mack Pinnacle (CHU)

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recalls (2)Complaints (0)Investigations (0)Bulletins (117)
Recall campaigns covering this model year2864 vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2021 Mack Pinnacle (CHU) by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

2 recall campaigns cover the 2021 Mack Pinnacle (CHU)

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2021 Mack Pinnacle (CHU)
CampaignFiledSubjectComponentVehiclesRemedy
21V-416Jun 2, 2021Hubcap compression spring can cause the hubcap to separateWheels307Not stated
21V-233Apr 1, 2021Vehicles may not stay in their lane at certain speedsStability and traction control557Software update
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Mack Pinnacle (CHU)

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    All investigations
    Service bulletins

    117 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • CBR-2013 202404 Apr 2, 2024 · Service Bulletin/Repair Instructions
      CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
    • CBR-1008 202404 Apr 22, 2024 · 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-2356 202403 Mar 1, 2024 · Service Bulletin/Repair Instructions
      CBR: After cluster replacement and programming, the Driver Information Display (DID) may not function as designed.
    • S3883 202402 Feb 1, 2024 · Service Bulletin/Repair Instructions
      Fleet Improvement - Atlantic Waste axle temp
    • CBR-2350 202402 Feb 21, 2024 · Service Bulletin/Repair Instructions
      CBR -Telematics Gateway (TGW) Connect Ability Issues
    • CBR-2347 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
      CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
    • CBR-202 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
      CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
    • CBR-2014 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
      CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
    • CBR-2333 202401 Jan 18, 2024 · Service Bulletin/Repair Instructions
      CBR: TGW Will Not Connect After SIM Card Replacement
    • CBR-2016 202401 Jan 17, 2024 · Service Bulletin/Repair Instructions
      CBR: Frame Or Cab Lean
    • PSM23m2na71 Nov 10, 2023 · 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 in…
    • M-465-001 202311 Nov 7, 2023 · 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 ne…
    • CBR-399 202310 Oct 19, 2023 · 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 Oct 12, 2023 · 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 Sep 29, 2023 · Service Bulletin/Repair Instructions
      CBR: "Spitting" or "puffing" of air from purge valve.
    • M-258-014 202309 Sep 5, 2023 · Service Bulletin/Repair Instructions
      TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
    • M728-005A 202308 Aug 14, 2023 · Service Bulletin/Repair Instructions
      TSB: Barksdale Leveling Valve, Leak Test
    • M-141-001 202308 Aug 18, 2023 · Service Bulletin/Repair Instructions
      TSB: Air Restriction Indicator
    • CBR-2131 202308 Aug 14, 2023 · Service Bulletin/Repair Instructions
      CBR: Intermittent Diagnostic Trouble Codes U02A3,U029D, U029E - USE FOR NEW VEHICLES (US21+OBD22 Emissions)
    • CBR-2303 202307 Jul 1, 2023 · Service Bulletin/Repair Instructions
      CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
    • KC-2050 May 30, 2023 · Service Bulletin/Repair Instructions
      CBR: Diagnostic Trouble Code (DTC) P225C00 : NOx1 Sensor Stuck High - US17+OBD2019 And Newer Emissions
    • KC-331-Ver6 May 22, 2023 · 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 May 17, 2023 · 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 May 10, 2023 · Service Bulletin/Repair Instructions
      CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode
    • KC-474-Ver5 May 2, 2023 · Service Bulletin/Repair Instructions
      CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
    • M-773-005a Apr 18, 2023 · Service Bulletin/Repair Instructions
      TSB: Hub Cap, Leaking
    • M-170-003 Apr 18, 2023 · Service Bulletin/Repair Instructions
      TSB: Vibration Diagnostics
    • M-170-001 Apr 18, 2023 · Service Bulletin/Repair Instructions
      TSB: Stock Vehicle Storage and Maintenance
    • M-170-002 Apr 18, 2023 · Service Bulletin/Repair Instructions
      TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada
    • KC-2269 Apr 18, 2023 · Service Bulletin/Repair Instructions
      CBR: 11L Engines, Non-Common Rail - Air Compressor Coolant Pipe, Parts Substitution - US14+OBD13 To US14+OBD16
    • M-773-005 Mar 16, 2023 · Service Bulletin/Repair Instructions
      New TSB- Hub cap leaking
    • KC-2254 Feb 13, 2023 · Service Bulletin/Repair Instructions
      Mack Chassis - No Gauge Cluster Backlight
    • KC-2165 Feb 10, 2023 · Service Bulletin/Repair Instructions
      Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
    • M-265-002 Sep 22, 2022 · Service Bulletin/Repair Instructions
      TSB-Charge Air Cooler t-clamp install.
    • KC-2216 Sep 27, 2022 · Service Bulletin/Repair Instructions
      Mack Chassis - Incorrect Fog Lamp Electric Terminal Pinning - AN, GR, PI Models
    • CBR-2131 Aug 29, 2022 · Service Bulletin/Repair Instructions
      USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
    • M-451-002 Aug 6, 2022 · Service Bulletin/Repair Instructions
      2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles
    • M-652-001 Aug 6, 2022 · Service Bulletin/Repair Instructions
      2009 Document reformatted to be published as a TSB in Impact. Axle Alignment Specifications
    • M-413-004 Aug 6, 2022 · Service Bulletin/Repair Instructions
      2009 Document reformatted to be published as a TSB in Impact. Air-Operated Clutch Assist Adjustment and Troubleshooting
    • KC-733 Jun 6, 2022 · Service Bulletin/Repair Instructions
      Back Office Mack Chassis - Secondary Gauge Set Up - Model Year 2018 and Newer.
    • KC-2107 Jun 3, 2022 · Service Bulletin/Repair Instructions
      DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer.
    • KC-2112 Jun 21, 2022 · Service Bulletin/Repair Instructions
      Programming Failure - Chassis With Cummins Engine And An Allison Transmission
    • KC-2116 Jun 3, 2022 · Service Bulletin/Repair Instructions
      NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.
    • KC-2143 Jun 21, 2022 · Service Bulletin/Repair Instructions
      (Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
    • KC-2157 Jun 3, 2022 · Service Bulletin/Repair Instructions
      Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions.
    • KC-2158 Jun 3, 2022 · Service Bulletin/Repair Instructions
      Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.
    • KC-2165 Jun 3, 2022 · Service Bulletin/Repair Instructions
      DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions.
    • KC-399 Jun 17, 2022 · Service Bulletin/Repair Instructions
      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.
    • KC-405 Jun 21, 2022 · Service Bulletin/Repair Instructions
      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-561 Jul 5, 2022 · Service Bulletin/Repair Instructions
      11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
    • KC-735 Jun 6, 2022 · Service Bulletin/Repair Instructions
      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-736 Jun 6, 2022 · Service Bulletin/Repair Instructions
      (Back Office Only) - Engine Brake Vibration When In High Setting - 13L Engine With Variable Geometry Turbo ( VGT ) - US17 And Newer Emissions (Common Rail Fuel System).
    • KC-745 Jun 22, 2022 · Service Bulletin/Repair Instructions
      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-750 Jun 28, 2022 · Service Bulletin/Repair Instructions
      US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
    • KC-751 Jun 28, 2022 · Service Bulletin/Repair Instructions
      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-663 May 18, 2022 · Service Bulletin/Repair Instructions
      Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
    • KC-644 May 17, 2022 · Service Bulletin/Repair Instructions
      Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And Newer Emissions, Model Year 2008 And Newer
    • KC-627 May 9, 2022 · Service Bulletin/Repair Instructions
      Premium Tech Tool ( PTT ) Training Materials And Support Tools
    • KC-2172 May 16, 2022 · Service Bulletin/Repair Instructions
      No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
    • KC-2171 May 26, 2022 · Service Bulletin/Repair Instructions
      Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
    Source: NHTSA manufacturer communications files.
    About service bulletins