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Model year

2021 Freightliner 122SD

Other, diesel, 6x2, built in United States. Owner complaints on file from Sep 11, 2024 to Sep 11, 2024.

Recall campaigns covering this model year6164k vehicles or units across those campaigns
Owner complaints1Below the median 2021 other
Severity index0.02021 others average 7.1
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2021 Freightliner 122SD peaked in 2024, with 1 filed

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

00.250.50.7512024120252026
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

100% of complaints about the 2021 Freightliner 122SD name tires

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

Tires
1
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

6 recall campaigns cover the 2021 Freightliner 122SD

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 Freightliner 122SD
CampaignFiledSubjectComponentVehiclesRemedy
25V-760Nov 4, 2025Axle clamp fasteners may be loose, which can result in a loss of vehicle controlSuspension18,783Repair or modification
23V-105Feb 20, 2023Drag link taper joint may not have been tightened sufficiently and could come loose, resulting in a complete separation of the drag link from the…Steering60,604Repair or modification
21V-369May 19, 2021Tie rod clamps may be loose, which could result in loose tie rod ends that could break or detachSteering8,482Part replacement
21V-256Apr 12, 2021Steering arm and tie rod bolts may have a defective seam that can fractureSteering12,470Part replacement
20V-539Sep 3, 2020Lower rear pivot cap screws may not be long enough to sufficiently engage the locking feature of the corresponding nutsSuspension103Inspection
20V-214Apr 14, 2020Rear reflective tape may be partially covered by the mudflap hanger bracket, which may reduce the vehicle's visibility to other drivers on the roadLighting63,175Inspection
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2021 Freightliner 122SD

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.

1 complaint on file, page 1 of 1.

  1. Filed Sep 11, 2024Failure Apr 15, 202135,000 milesMarion, IAPressure monitoring and regulating systems

    The contact owns a 2021 Freightliner XC-R. The contact stated while driving 55 MPH, the TPMS warning light illuminated. The vehicle drove normally; however, the failure recurred. The vehicle was towed to an independent mechanic; however, the vehicle was not repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was 35,000.

    NHTSA complaint 11613995
Source: NHTSA ODI complaints file.
Investigations

NHTSA has not opened an investigation on this model year

Source: NHTSA ODI investigations file.
Service bulletins

104 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.

  • FleetCom 1_Solenoid Apr 9, 2026 · Other
    Fleet Communications for solenoid issues
  • FleetCom_Oil Plug Loc Dec 11, 2025 · Other
    Fleet Communications for NFD Lower Oil Plug Location - SP Axles
  • FleetCom_Heater Core Dec 11, 2025 · Other
    Fleet Communications for Heater Core Plugging
  • CXA 10_25_Air Dryer Purge Oct 16, 2025 · Other
    CX Advocate for Experiencing Excessive Purging from Air Dryer
  • CXA_10_25_TufTrac M12 Oct 16, 2025 · Other
    CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)
  • CXA_10_25_Conmet Oil Pan Oct 16, 2025 · Other
    CX Advocate for ConMet Oil Pan Insert Additional Issues
  • TSB32-057-FTL Sep 30, 2025 · Service Bulletin/Repair Instructions
    Technical Service Bulletin for TufTrac M12 Bolts
  • CXA 3_25_NOx Mar 20, 2025 · Other
    CX Advocate for NOx conversion low faults
  • CXA 2_25_NOx Feb 20, 2025 · Other
    CX Advocate for NOx conversion low faults
  • TSB01-001-DDC Feb 5, 2025 · Service Bulletin/Repair Instructions
    Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
  • CXA 1_16_NOx Jan 16, 2025 · Other
    CX Advocate for NOx conversion low faults
  • CXA 1_16_CARB Truck Chec Jan 16, 2025 · Other
    CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
  • TSB35-039-FTL Dec 7, 2024 · Service Bulletin/Repair Instructions
    Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management
  • TSB35-039-FTL Nov 19, 2024 · Service Bulletin/Repair Instructions
    Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management.
  • CXA 11_21_CARB Truck Chec Nov 21, 2024 · Other
    CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
  • WI24-019 Nov 11, 2024 · Warranty Program/Extension
    Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
  • CXA_10_17_CARB Truck Chec Oct 17, 2024 · Other
    CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
  • SS1023366-Detroit Oct 1, 2024 · Other
    Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
  • CXA 9_24_NFD fill plug Sep 19, 2024 · Other
    CX Advocate for NFD fill plugs
  • SS1023366-Detroit Sep 16, 2024 · Other
    Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
  • CXA 8_24_Conmet Oil Pan Aug 15, 2024 · Other
    CX Advocate for ConMet Oil Pan Insert Additional Failures
  • TSB35-039-FTL Aug 29, 2024 · Service Bulletin/Repair Instructions
    Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated.
  • ICI24-031 Aug 15, 2024 · Other
    Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended. Field Service Campaign D23M3 - GHG17 DETROITTM DD16® Vibration Damper Replacement has been extended for an additional 6 months.
  • CXA 7_24_NOx Jul 18, 2024 · Other
    CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
  • CXA 7_24_Conmet Oil Pan Jul 18, 2024 · Other
    CX Advocate for ConMet Oil Pan Insert Additional Failures
  • TSB35-039-FTL Jul 1, 2024 · Service Bulletin/Repair Instructions
    Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated.
  • CXA 06_24_Clutch Bolts Jun 21, 2024 · Other
    CX Advocate communication for clutch bolts
  • CXA 06_24_NOx Jun 21, 2024 · Other
    CX Advocate communication for NOx conversion low faults
  • VSWP Customer Letter May 21, 2024 · Other
    Customer letter regarding variable speed water pump.
  • TSB35-039-FTL May 15, 2024 · Service Bulletin/Repair Instructions
    Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management
  • SS3144-FTL Apr 25, 2024 · Service Bulletin/Repair Instructions
    Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
  • ICI24-006 Feb 20, 2024 · Service Bulletin/Repair Instructions
    Important Campaign Information letter for FL974 - Revised Bulletin & Population
  • FL974 Feb 20, 2024 · Service Bulletin/Repair Instructions
    Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Confirm' has been ad…
  • FL974 Jan 19, 2024 · Service Bulletin/Repair Instructions
    Emissions Recall: Cummins DEF Sensor Shortage
  • ICI23-010 Mar 31, 2023 · Service Bulletin/Repair Instructions
    Important Campaign Information letter communicating that SF660 Field Service Campaign is Replaced by FL967.
  • SF660A Jan 9, 2023 · Service Bulletin/Repair Instructions
    Revised Field Service Campaign for Drag Link Tapered Joint
  • SF660 Dec 14, 2022 · Service Bulletin/Repair Instructions
    Field Service Campaign for Drag Link Tapered Joint
  • SB49-042 Feb 15, 2022 · Service Bulletin/Repair Instructions
    Freightliner Service Bulletin for DEF Connector Reinforcement Caps.
  • SF613 Oct 1, 2021 · Service Bulletin/Repair Instructions
    ConMet Front Hub to Rotor Fasteners. On certain vehicles, the front rotor nuts may not be torqued to manufacturer specification. Loose components could cause damage to the ABS tone rings, the ABS sensors, and the anchor plate mounting fasteners.
  • SS1032974 Jul 11, 2017 · Service Bulletin/Repair Instructions
    SS 1032974 High Oil Pressure on 2017 DTNA Vehicles Instrument Cluster Display
  • SS1033219 Sep 28, 2017 · Service Bulletin/Repair Instructions
    Service Solution SS 1033219 Eaton Transmission Fault Code 25 Persi...
  • SS1033638 Jun 28, 2018 · Service Bulletin/Repair Instructions
    SS 1033638 - Power Window Express Down Module Discontinued
  • FAB161 Aug 1, 2014 · Service Bulletin/Repair Instructions
    Freightliner Action Bulletin FAB161 Watson and Chalin Suspension
  • SB4934 Feb 1, 2014 · Service Bulletin/Repair Instructions
    DEF Tank Coolant Valve O-Ring Kit
  • SB54-320 Apr 30, 2021 · Service Bulletin/Repair Instructions
    Updated Service Bulletin for upgrading BHM software for switch expansion module fault SPN 698 FMI 7. This bulletin replaces the version dated 11/11/2019. Figure 3 has been updated with a new hardware part number. A procedure was added to the data download …
  • WI21-009 Apr 19, 2021 · Service Bulletin/Repair Instructions
    Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown. The updated after treatment system (ATS) diesel exhaust fluid (DEF) pump times will be applied to repair orders opened on or after April 12, 2021.
  • WI21-008 Apr 6, 2021 · Service Bulletin/Repair Instructions
    Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.
  • SB49-038 Mar 16, 2021 · Service Bulletin/Repair Instructions
    Revised Freightliner Service Bulletin for netized Fill Neck for Six-Gallon DEF Tanks. A design change removed the magnets from the fill necks for some 6-gallon diesel exhaust fluid (DEF) tanks. If the vehicle is equipped with a non-magnetic fill neck 04-325…
  • WP21-007 Mar 22, 2021 · Service Bulletin/Repair Instructions
    Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.
  • WI21-004 Feb 1, 2021 · Service Bulletin/Repair Instructions
    Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters. Detroit's TechComm team created visual aids for the network and released exploded view posters for DD platform engines. In early 2021, Detroit added multiple DT12…
  • TechTalk8072 Feb 2, 2021 · Service Bulletin/Repair Instructions
    Tech Talk continued discussion 2021 122SD.
  • 21TS-04 Feb 19, 2021 · Service Bulletin/Repair Instructions
    Technical Service Letter for Gen 5 DD15 Instrument Panel Oil Pressure Gauge Operation. Gen 5 DD15 equipped units have been brought in for service with a complaint of the instrument panel oil pressure gauge not moving during unit operation and/or stuck at 50…
  • 21OEM-06 Feb 19, 2021 · Service Bulletin/Repair Instructions
    Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available. Current subscribers of DiagnosticLink 8.11 or 8.12 may upgrade to DiagnosticLink 8.13 at no cost. All DTNA Service shops & OEM locations are required to maintain the latest …
  • 20TS-07REV Feb 19, 2021 · Service Bulletin/Repair Instructions
    Revised Technical Service Letter for Cold Weather Faults on GHG17/21 DD13 with MCM Software Version 14. Due to colder weather, there may be an increase in the frequency of faults, noted below, on GHG17/21 DD13 trucks built after June 5th 2019. This is due t…
  • SB54-308 Feb 25, 2021 · Service Bulletin/Repair Instructions
    Freightliner Service Bulletin for Programming Chassis Electronic Control Units (ECUs) With DiagnosticLink.
  • ICI21-003 Feb 15, 2021 · Service Bulletin/Repair Instructions
    Superseding Letter to an Important Campaign Information Letter to announce a reimbursement available to dealers for travel to a customer's location to perform a recall or field service campaign. Potential travel reimbursement applies to DTNA truck dealers a…
  • WI21-006 Feb 15, 2021 · Service Bulletin/Repair Instructions
    Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
  • WI20-014R Feb 8, 2021 · Service Bulletin/Repair Instructions
    Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance. In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity and optimi…
  • TechTalk8051 Jan 14, 2021 · Service Bulletin/Repair Instructions
    Tech Talk discussion on Coronado sd122 roof lights turn off when high beams are on
  • TechTalk8072 Jan 29, 2021 · Service Bulletin/Repair Instructions
    Tech Talk discussion 2021 122SD.
Source: NHTSA manufacturer communications files.