Complaints over time
Complaints about the 2019 Peterbilt 579 peaked in 2019, with 1 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Source: NHTSA ODI complaints file. The lighter column runs through October.
Model year
2019 Peterbilt 579
Heavy truck, diesel, 6x4, built in United States. Owner complaints on file from Oct 7, 2019 to Sep 10, 2026.
Recall campaigns covering this model year8592k vehicles or units across those campaigns
Owner complaints3Close to the median 2019 heavy truck
Severity index0.02019 heavy trucks average 19.6
First 24 months1Complaints in its first two years
Components
67% of complaints about the 2019 Peterbilt 579 name steering
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls
8 recall campaigns cover the 2019 Peterbilt 579
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 22V-277 | Apr 25, 2022 | Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail | Steering | 17,641 | Part replacement |
| 21V00N000 | Dec 29, 2021 | Methane detection system will not function if the system loses power | Electrical system | 1,107 | Not stated |
| 21V-906 | Nov 19, 2021 | Work brake (winch brake) may unintentionally disengage the service brakes during winching operations, causing the vehicle to roll | Electrical system | 908 | Software update |
| 20V-199 | Apr 6, 2020 | In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may… | Stability and traction control | 460,515 | Software update |
| 20V-130 | Mar 4, 2020 | Positive battery jumper terminal cable may be too long, allowing it to chafe against the left front suspension spring and result in an electrical… | Electrical system | 35,671 | Part replacement |
| 18V-931 | Dec 21, 2018 | Internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement | Powertrain | 25,556 | Not stated |
| 18V-816 | Nov 16, 2018 | Since both intermediate side marker lamps and reflex reflectors are required, these vehicles fail to comply with the requirements of Federal Motor… | Lighting | 1,619 | Repair or modification |
| 18V-657 | Sep 21, 2018 | In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restricted | Engine and cooling | 48,896 | Part replacement |
Source: NHTSA ODI recalls file.
Owner complaints
What owners reported about the 2019 Peterbilt 579
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.
3 complaints on file, page 1 of 1.
- Filed Sep 10, 2026Failure Sep 9, 2026300,063 milesPleasant Hope, MOElectrical system
The contact owns a 2019 Peterbilt 579. The contact stated that while driving at an undisclosed speed, the F-Can database fault for exterior lighting warning light was illuminated. The contact stated that the electrical features were deactivated except for the marker lights. The contact stated that the failure had occurred while driving at nighttime. In addition, the contact stated that the failure was a known failure with the vehicle. The failure mileage was approximately 300,063. The VIN was not available.
NHTSA complaint 11763391 - Filed Apr 23, 2021Failure Jan 2, 2020Winsted, CTSteering, Suspension, Tires
MY 2019 PETERBILT MODEL 579 HAS FRONT END ISSUES !!!!!! I HAVE HAD THIS VEHICLE ALIGNED ALL THREE AXLES AND ON THE SECOND OCCASION JUST THE STEER AXLE. I AM ON MY 4TH SET OF STEER TIRES. THE TRUCK CAME THROUGH WITH 11 R22.5 GOODYEAR TIRES THEY STARTED CUPPING OUT AT 25 TO 35,000 MILES I TOOK THEM OFF AND PUT ON A SET OF 11R 22.5 GENERAL BRAND TIRES AND HENCE HAD THE (3)AXLE ALIGNMENT DONE AT APPROX.72 TO 75,00 MILES THESE TIRES CUPPED OUT SO BAD I HAD TO REMOVE THEM WITH APPROX 30,000 MILES ON THEM.. I WENT BACK TO THE TIRE DEALER HAD ANOTHER SET OF GENERAL 11R.22.5 TIRES AND HAD THE STEER AXLE ALIGNED. AND AFTER 25 TO 30,000 MILES THE SAME THIING CUPPED OUT SO BAD I COULDN'T DRIVE THE TRUCK SAFELY. DECEMBER 24 2020 I PUT ON A SET OF LESSAR EXPENSIVE TIRES AT A TRUCK STOP THIS TIME 22.5 LOW PROFILE TIRES AND THE SAME THING THEY HAVE APPROX. 30,OOO MILES ON THEM AND ARE CUPPING OUT IM AT A LOSS AS WHAT TO DO NEXT I'M JUST ABOUT OUT OF BAND AIDS AND MONEY FOR THIS (NOT TO MENTION MY PATIENCE
NHTSA complaint 11413621 - Filed Oct 7, 2019Failure Sep 19, 201960,000 milesDRY Ridge, KYSteering
AFTER HITTING A BUMP, THE STEERING WOULD SHAKE SO BAD IT WAS HARD TO HOLD THE STEERING WHEEL. HAD TO PULL OFF ON THE SHOULDER TO GET THE SHAKING TO STOP. AFTER HAVING THIS HAPPEN SEVERAL TIMES IN ONE DAY, I TOOK THE TRUCK TO DEALER WHERE THEY DISCOVERED IT HAD A BAD STEERING BOX. STILL WAITING ON THE TRUCK TO GET OUT OF SHOP.
NHTSA complaint 11266875
Source: NHTSA ODI complaints file.
Investigations
2 NHTSA investigations on file
- PE20015 Preliminary evaluation, Structure
Quarter Fender Failures
Opened Sep 21, 2020, closed Oct 14, 2021 - PE20006 Preliminary evaluation, Steering
Intermittent Loss of Power Steering Assist
Opened May 1, 2020, closed Mar 27, 2024
Source: NHTSA ODI investigations file.
Service bulletins
90 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.
- 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." - E343 Sep 5, 2026 · Service Bulletin/Repair Instructions
An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines. - E311 Jul 25, 2026 · Service Bulletin/Repair Instructions
105 chassis have been removed from the chassis list and unflagged in PRWS due to expiration of applicable warranty coverage. Total chassis population is 732. - E311 Jul 10, 2026 · Service Bulletin/Repair Instructions
The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage. - 02-177 May 6, 2026 · Service Bulletin/Repair Instructions
Troubleshooting procedures for 2.1m cab power windows are now available. - 45-070 Apr 17, 2026 · Service Bulletin/Repair Instructions
The attached procedures document has been updated with more detail and explanations. This is not a stand-alone procedure. Cummins Quickserve troubleshooting will specify the use of these procedures while troubleshooting specific fault codes. - CE036 Apr 17, 2026 · Warranty Program/Extension
KW & PB DEF Quality Sensor part number Q21-6127-001 for PACCAR PX-7 and Cummins X15 engines has been added to this warranty policy. - 14-034 Apr 16, 2026 · Service Bulletin/Repair Instructions
Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values. - E326 Apr 1, 2026 · Emissions
EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines. - 45-070 Jan 31, 2026 · Service Bulletin/Repair Instructions
Procedure pictures updated for clarity. When troubleshooting Cummins X15 fault codes 555 or 556, follow this additional testing, inspection, and documentation procedure to help identify the root cause of dusted engines. This is not a stand-alone process bu… - E311 Aug 20, 2025 · Other
Condition, Chassis Affected, and Warranty sections updated with the following verbiage “E311 must be flagged and open in Service Information Record (SIR) at the time of RO open date to qualify.” Also, “Through Standard Warranty or any applicable active Exte… - T016 / 26-040 May 22, 2025 · Service Bulletin/Repair Instructions
T016: Warranty section updated to include 0.5 hours for test drive. Recommended Repair T016C has been updated from 6.4 hours to 6.9 hours. SRT codes updated in PRWS Claim Coding Table: B25-17A for 6.9 hours created to replace all other codes. 26-040: Warra… - 46-016 Apr 30, 2025 · Service Campaign
4/29/2025: Campaign A software update is available for 520EV and 579EV Battery Electric Vehicles. This software update corrects or improves certain functions. Software update procedures have been revised. Campaign start date is 12/05/2024. Campaign A sof… - 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… - 7-700 Oct 22, 2024 · Warranty Program/Extension
7/700 Service Agreement - Letter Only. - 16-044 Jul 30, 2024 · Service Bulletin/Repair Instructions
Fix As Fail The height control valve (HCV) rod on vehicles with low air leaf suspensions is prone to toggling over center during rough road conditions. With full suspension articulation, HCV bracket flexes and toggles over center the HCV linkage, which res… - E273 Nov 2, 2023 · Service Bulletin/Repair Instructions
Fix As Fail Updated: Two part numbers added: 1818119 DPF Delta Pressure Sensors for MX-13-2 EMY18 2200138 DPF Delta Pressure Sensors for MX-13 -2, EMY19 Per Environment and Climate Change Canada (ECCC) regulations and guidance (Canadian Environmental … - 45-066 Oct 17, 2023 · Service Bulletin/Repair Instructions
A testing procedure has been created for the coolant level sensor on model 520. - 28-001 Sep 18, 2023 · Service Bulletin/Repair Instructions
For all Peterbilt chassis equipped with an air shifted PTO. Oil from the air shift cover of the PTO may leak into the air line, causing the EOA solenoid to become inoperative. - 01-079 Jun 23, 2023 · Service Bulletin/Repair Instructions
Fix-as-Fail - HVAC Intermittently Stops Blowing Cold Air - 02-178 Apr 13, 2023 · Service Bulletin/Repair Instructions
Fix As Fail – Certain 579, and New Model 579 chassis that were manufactured with a Bendix forward looking camera system may experience bracket failure causing the bracket and camera to fall from the windshield. - 34-096 Apr 13, 2023 · Service Bulletin/Repair Instructions
Fix As Fail – All New Model 579 chassis with Bendix radar opti on may have a harness rub against the radiator that is causing possible damage. - 32-019 Feb 10, 2023 · Service Bulletin/Repair Instructions
Fix As Fail – Chassis that were manufactured with certain battery cable routing brackets may experience rubbing or chafing of the battery cables. - E298 Feb 27, 2023 · Service Bulletin/Repair Instructions
Certain Engine Model Year 2018 PACCAR MX-11 engines must have the crankcase pressure sensor replaced due to contamination during assembly. - 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… - 21PBN Nov 7, 2022 · Service Bulletin/Repair Instructions
21PBN – LNG/CNG Methane Detecti on System Will Not Warn Operator if System Loses Power – NHTSA ID:21V00N, TC: 2021-793 - 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… - 14-043 Sep 9, 2022 · Service Bulletin/Repair Instructions
Fix-As-Fail On certain chassis with Low Air Leaf Suspension or Low-Low Air Leaf Suspension, the Height Control Valve (HCV) arm may be rubbing on other components when the bend in the arm is facing outboard. Flipping the bend in the HCV arm inboard prevents … - 13-060 Aug 3, 2022 · Service Bulletin/Repair Instructions
The service information for Bendix Air Dryer maintenance is being updated to include new procedures. - 04-019 Apr 4, 2022 · Service Bulletin/Repair Instructions
A roof fairing reinforcement kit increases structural support for one-piece 579 roof fairings that are experiencing fatigue from external forces such as reverse towing. - 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… - 34-090 Feb 4, 2022 · Service Bulletin/Repair Instructions
A frame mounted left-hand marker light bracket interferes with the rear fuel tank fill location. A redesigned bracket can be purchased that relocates the marker bracket to the front fuel tank bracket to eliminate interference. - 21PBN Jan 7, 2022 · Service Bulletin/Repair Instructions
Interim Safety Recall – Methane detection system will not warn the operator if the system loses power. The driver could be unaware of an issue with the methane detection system or excessive methane present, increasing the risk of a fire, crash and/or person… - T012 Dec 2, 2021 · Service Bulletin/Repair Instructions
Non-Safety Campaign: Drivers of vehicles equipped with PACCAR TX-12 transmissions may experience harsh shifts and gear grinding noise. Premature Main Drive Gear damage may occur due to clutch housing and main case countershaft bearing bore wear. - 21PBM Dec 2, 2021 · Service Bulletin/Repair Instructions
âSafety Recall â“ Work Brake May Unintentionally Disengage â“ NHTSA ID: 21V906, TC: 2021-713. The work brake (also known as winch brake) may unintentionally disengage during winching operations, releasing the service brakes, increasing the risk of crash or … - 26-038 Dec 2, 2021 · Service Bulletin/Repair Instructions
Non-Safety Campaign: Eaton Endurant transmissions may experience premature Main Drive Gear damage due to clutch housing and main case countershaft bearing bore wear. A Clutch Housing Front Cover Kit will be installed to address the issue. - 42-059 Nov 9, 2021 · Service Bulletin/Repair Instructions
Non-Safety Campaign - Vehicles with a Cummins X15 engine and Horton fan drive may set Diagnostic Trouble Code (DTC) 6637 and/or 3838 due to fan speed that results in the fan remaining activated until the power is cycled. A new controller will resolve the is… - 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… - 21-PBF Jun 14, 2021 · Service Bulletin/Repair Instructions
Safety Recall – Interim Notification - The Daytime Running Lamps (DRLs) may turn off while the vehicle is in motion and the headlamps, fog lamps or turn signals are not on. This is non-compliant with Canadian Regulation CMVSS 108, which states that the DRLs… - E265 May 25, 2021 · Service Bulletin/Repair Instructions
Selected engines have been identified to receive a camshaft inspection and an update for improved camshaft lubrication. - 02-161 Apr 13, 2021 · Service Bulletin/Repair Instructions
Non-Safety Campaign- Chassis Fairings become loose and rattle. - 02-160 Feb 10, 2021 · Service Bulletin/Repair Instructions
Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter. - 32-018 Feb 25, 2021 · Service Bulletin/Repair Instructions
Non-Safety Campaign – Chassis with the City Horn option may generate unexpected alerts. A VECU software update is available to resolve the issue. - 32-017 Feb 25, 2021 · Service Bulletin/Repair Instructions
Non-Safety Campaign – The batteries may drain quickly due to the VECU not going to sleep. Updated VECU software is available to resolve the issue. - 116-1 Jul 13, 2016 · Service Bulletin/Repair Instructions
SmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units. - 26-037 Dec 18, 2020 · Service Bulletin/Repair Instructions
Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement. - 26-035 Dec 18, 2020 · Service Bulletin/Repair Instructions
Non-safety campaign: Vehicles equipped with an Eaton Endurant 12 speed transmission may experience transmission service lamp activation, no gear engagement from neutral, and/or DTC 511 FMI 7 or 10 is set. Resolution is to update the transmission software a… - T011 Dec 23, 2020 · Service Bulletin/Repair Instructions
Fix-As-Fail - Prior versions of PACCAR transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement. - 01-079 Nov 11, 2020 · Service Bulletin/Repair Instructions
Fix as Fail The HVAC system, on model 579 and 567 vehicles manufactured since 1/20/2012 may have inadequate temperature control. The HVAC may intermittently stop blowing cold air, typically after a truck restart. Driver may notice the system returns to nor… - 13-055 Oct 1, 2020 · Service Bulletin/Repair Instructions
Fix as Fail: Peterbilt has introduced an improved mounting bracket for low mount air tanks for vehicles built between January 01, 2017 and July 06, 2020. Torsional vibration may stress the currently-installed brackets and cause them to fail near the bottom… - 02-158 Aug 25, 2020 · Service Bulletin/Repair Instructions
Fix as Fail: Peterbilt has determined that certain model 348, 365, 367, 382, 384, 386, 388, 389, 567, 579, and 587 trucks, built between 4/13/2010 and 3/16/2020 and equipped with a flush mounted battery box, utilized rubber washers that could rub through a… - 13-054 Jul 29, 2020 · Service Bulletin/Repair Instructions
Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking - 32-015 Jun 8, 2020 · Service Bulletin/Repair Instructions
Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information. - 43-067 Jun 10, 2020 · Service Bulletin/Repair Instructions
Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (“SOC”) exhaust and built from 03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the exhaust stack to rota… - 11-001 May 29, 2020 · Service Bulletin/Repair Instructions
Information only: Hendrickson Softek front axle maintenance intervals and requirements. - 20PBA Apr 17, 2020 · Service Bulletin/Repair Instructions
"Safety Recall: NHTSA recall number is 20V130. A defect, which relates to motor vehicle safety, may exist in certain Model 365, 389, 567, and 579 vehicles manufactured between April 18, 2014 and March 09, 2020 with a left-hand under hood jumper start term… - 20 PBC Apr 15, 2020 · Service Bulletin/Repair Instructions
Safety Recall Interim Bulletin: The Tractor ABS Lamp May Not Illuminate When ABS Controller Loses Battery and/or Ignition Power. NHTSA recall number is 20V199 Non compliance to FMVSS and CMVSS 121 and 136. Resolution is to Reflash software. - 43-066 Mar 27, 2020 · Service Bulletin/Repair Instructions
DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number M86-6221-003**(TANK-DEF MEDIUM ASSY) and M86-6222-003**(TANK-DEF LARGE, ASSY). Resolution is to resolve the vibration on the tank cover b… - 20PBA Mar 31, 2020 · Service Bulletin/Repair Instructions
Safety Recall Interim Bulletin: Peterbilt has decided that a defect, which relates to motor vehicle safety, may exist in certain Model 365, 389, 567, and 579 vehicles manufactured between April 18, 2014 and September 30, 2019 with a left-hand under hood jum… - 34-086 Mar 26, 2020 · Service Bulletin/Repair Instructions
Fix as Fail: Peterbilt has determined in model 567 and 579 vehicles built after 2011, the door harnesses may fail due to repeated door open and close cycles. Resolution is to replace the door harness with a more robust designed harness if a failure is exp…
Source: NHTSA manufacturer communications files.