AutoStatsIQ
Data through Oct 2026
Model year

2021 Peterbilt 548

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

Recalls (5)Complaints (0)Investigations (0)Bulletins (28)
Recall campaigns covering this model year5300k 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 Peterbilt 548 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

5 recall campaigns cover the 2021 Peterbilt 548

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 Peterbilt 548
CampaignFiledSubjectComponentVehiclesRemedy
24V-915Dec 9, 2024Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop functioningElectrical system220,764Software update
24V-190Mar 20, 2024Right-hand gear shifter stalk connectors may have been improperly crimped, resulting in a loss of communicationPowertrain70,509Part replacement
23V-661Sep 29, 2023Timing of the trailer brake release may be delayedBrakes254Part replacement
23V-087Feb 15, 2023When the brake pedal is fully applied and then released rapidly, the pedal plunger that connects the brake pedal to the brake valve may become…Brakes8,008Repair or modification
21V-601Aug 3, 2021Fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter headFuel system688Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Peterbilt 548

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

    28 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.

    • P001 Sep 11, 2026 · Service Bulletin/Repair Instructions
      "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
    • 24KWL/PBL Aug 13, 2026 · Service Bulletin/Repair Instructions
      The verbiage in the Introduction section has been updated.
    • 43-080 Jun 3, 2026 · Service Bulletin/Repair Instructions
      "KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The repair procedure has been updated with additional note boxes for clear instructions. PB: The repair procedure has been updated with additional note …
    • 02-177 May 6, 2026 · Service Bulletin/Repair Instructions
      Troubleshooting procedures for 2.1m cab power windows are now available.
    • 14-034 Apr 16, 2026 · Service Bulletin/Repair Instructions
      Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
    • 45-069 Feb 3, 2026 · Service Bulletin/Repair Instructions
      Cummins TSB 210203 has been updated to remove the PACCAR suction side fuel filter part number from Table 1 as the filter is no longer compatible.
    • 24PBE_KWE Feb 11, 2026 · Service Bulletin/Repair Instructions
      The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.
    • 24PBE Nov 26, 2025 · Service Campaign
      The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereb…
    • 43-080 PB Mar 26, 2025 · Service Campaign
      As of 03/25/2025, this campaign has resumed. Software updates are now available to complete this campaign.
    • 24PBL Jan 10, 2025 · Service Bulletin/Repair Instructions
      Safety Recall Updated software and procedures are now available. Certain Vehicle Model Year 2021-2025 Peterbilt chassis configured for trailer towing require a software update for the Bendix EC80 ABS ECU. Software update procedures for certain Battery-Elect…
    • 32-025 Nov 22, 2024 · Service Bulletin/Repair Instructions
      Info Only Unnecessary starter replacements can result from customer complaints regarding engine starting issues. A new Starter Troubleshooting Guide has been created to provide a comprehensive list of starting system checks, which should reduce unnecessary…
    • 98-026 May 16, 2024 · Service Bulletin/Repair Instructions
      Information Only New tools are required to support PACCAR TX-8 / ZF transmissions. Part numbers E0l-1012 (Adapter, Jack TX-8), E0l-1014 (Front Seal Installer), and E0l-1015 (Rear Seal Installer) are currently available to order
    • 41-027 May 16, 2024 · Service Bulletin/Repair Instructions
      On certain Peterbilt, New Medium Duty chassis that are equipped with the optional engine intake air Pre-Filter (option code 3281830) the Pre-Filter may become clogged and cause premature failure/breach of the primary intake air filter. In some cases, a fail…
    • 24PBE Mar 25, 2024 · Service Bulletin/Repair Instructions
      INTERIM Safety Recall Parts are not currently available for this safety recall. This bulletin will be updated once repair parts are available. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector…
    • 23PBJ Dec 22, 2023 · Service Bulletin/Repair Instructions
      Certain 536, 537, 548, and 567 chassis built with 2.1m Medium Duty End of Frame Trailer Connections and Tractor Protection Valves may not meet the standard trailer brake release timing requirements by 0.5 seconds. A delay in the trailer brake release may cr…
    • 23PBJ Oct 23, 2023 · Service Bulletin/Repair Instructions
      Certain 536, 537, and 548 chassis built with 2.1m Medium Duty End of Frame Trailer Connections may exceed the standard trailer brake release timing requirements by 0.5 seconds due to the size of the tractor protection valve fitting and hose. A delay in the …
    • 23PBB May 3, 2023 · Service Bulletin/Repair Instructions
      Safety Recall The brake pedal plunger which connects the brake pedal to the brake valve may dislodge after the pedal is fully depressed, and rapidly released (side slip foot brake release). If the plunger in the brake pedal assembly dislodges the driver ma…
    • E303 Jan 12, 2023 · Service Bulletin/Repair Instructions
      This campaign is the final opportunity to replace the oil filter screw cap to reduce occurrences of broken bypass valve tabs. Broken oil valve tabs can cause oil flow obstruction to critical engine parts, resulting in serious engine damage. Customers that d…
    • 45-064 Oct 18, 2022 · Service Bulletin/Repair Instructions
      Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to del…
    • 13-060 Aug 3, 2022 · Service Bulletin/Repair Instructions
      The service information for Bendix Air Dryer maintenance is being updated to include new procedures.
    • T013 Jul 27, 2022 · Service Bulletin/Repair Instructions
      chassis with a PACCAR TX-8 transmission without cruise control may have active transmission faults 86-2 and 595-2. These faults do not affect the operation of the transmission and can be ignored.
    • 02-169 Jun 10, 2022 · Service Bulletin/Repair Instructions
      Info Only - Chassis equipped with a flush mounted battery box between the frame rails, and containing 3 batteries, may experience battery movement on the side where the single battery resides. This bulletin contains a procedure to fabricate a bracket to hol…
    • 51-013 Feb 4, 2022 · Service Bulletin/Repair Instructions
      Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet Mobile Gateway (PMG001) will experience severe 3G service degradation as early as January of 2022. Chassis currently utilizing 3G antennas as a primar…
    • E282 Dec 17, 2021 · Service Bulletin/Repair Instructions
      Information Only: Due to differences between the PACCAR MX-11 or MX-13 2021A and 2021B engines, technicians must be able to identify which of these engines are in a chassis.
    • 43-071 Sep 21, 2021 · Service Bulletin/Repair Instructions
      Fix-As-Fail – Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available. As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a vehicle to continue op…
    • 02-168 Sep 20, 2021 · Service Bulletin/Repair Instructions
      Information Only - Rear axle Quarter Fenders with less than two inches of clearance between the top of the quarter fender and the bottom of the trailer/equipment are susceptible to damage. The lack of clearance could result in cracked/broken quarter fenders…
    • 21 PBG Aug 6, 2021 · Service Bulletin/Repair Instructions
      ​Safety Recall - Model year 2021 Cummins PX9 fuel hose assemblies may leak from the hoses between the fuel pump and the remote filter head. A fuel leak in the presence of an ignition source may increase the risk of a fire. A repair is now available.
    • 02-164 May 27, 2021 · Service Bulletin/Repair Instructions
      A vinyl camouflage wrap was applied to new model 536, 537, and 548 cabs built during the validation phase of the new product launch. The purpose of the wrap was to protect the confidentiality of the trucks until the unveiling.
    Source: NHTSA manufacturer communications files.
    About service bulletins