2022 Peterbilt 579 Technical Service Bulletins

109 technical service bulletins (TSBs) are on record for the 2022 Peterbilt 579. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11010890Nov 27, 2024Electrical system, Transmission and drivetrain. Some 579EV and 520EV BEV trucks may have loose or improperly torqued ESS gland nuts. This may cause an intermittent warning light on the dash display.
• 11010926Nov 22, 2024Engine. 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 starter replacements and associated warranty claims. Engine starting system warranty claims now require a completed Starter Checklist, a Battery Pack Midtronics…
• 11009863Oct 21, 2024Brakes. 13-065 DAVIE4 Chassis Air Leak Testing Info Only A new test is now available in DAVIE4 to properly measure chassis air system pressure decay, provide test results, and pass/fail criteria. Your DAVIE tool must be at version 24.05 or newer for the test to be available. A test procedure document has also been made available that shows all necessary setup and testing procedure criteria (procedure document attached in…
• 11008570Sep 24, 2024Fuel system. FIX-AS-FAIL Updated to include EPA2024 compliant engines. Fuel Filters must be changed before first cleaning. EPA2021 injector cleaning is referenced in RMI for certain injector faults. Complete the procedures in E290. Discard any previous versions of E290 procedures – always use the most current document from the link in the bulletin.
• 11008566Sep 19, 2024Other or unknown. Information Only Storage guideline procedures are now available for both Medium Duty and Heavy-Duty Battery Electric Vehicles.
• 11008569Sep 14, 2024Electrical system. Information Only New diagnostic tool is required to support PACCAR Ethernet Multiplexed Architecture (EMUX). The EMUX Service Tool Kit will help improve cab & chassis electrical troubleshooting efficiency, while reducing the risk of component damage.
• 11007669Aug 16, 2024Engine. Bulletin updated to include oil pan drain plug in parts list and incorporated QR code to direct dealers to informational resources for new Programmable Torque Tool.
• 11007667Aug 2, 2024Electrical system. BEV Phase 2 tools have been added to the BEV required tools lists.
• 11005516Jul 30, 2024Suspension. 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 results in either deflated airbags or makes them unable to inflate. Fix-as-fail start date is 07/30/2024.
• 11005569Jul 24, 2024Engine. 07/24/2024 - Updated the Emissions Warranty Coverage tables. Added new coverage tables and PartsLists for GHG/Vehicle Parts and ZEP/BEV Parts. 03/07/2022 - New Emissions bulletin which consolidates older versions and accounts for new CARBemissions requirements that go into effect with Engine Model Year 2022.
• 11000753May 16, 2024Visibility (wipers, defrost, mirrors). Information Only Vehicles equipped with Digital Vision System (DVS) Mirror Mounted Cameras, that do not have optional left-hand or right-hand blind spotters, may set false Diagnostic Trouble Codes (DTC) 522490-9 or 522491-9. These DTCs can be ignored if corresponding blind spotter is not equipped. The next Digital Vision System Mirrors (DVS-M) software update will correct these false DTCs.
• 10251177Feb 5, 2024Electrical system, Body and structure. Fix As Fail – Dimensions and instructions are available for trimming the radiator recirculation shields to alleviate possible rub to the hood harness. (ARC 1/22/24)
• 10249746Jan 22, 2024Electrical system. Fix As Fail – Dimensions and instructions are available for trimming the radiator recirculation shields to alleviate possible rub to the hood harness.
• 10245635Nov 20, 2023Engine cooling. Updated procedures and SRT time to include Fuel Filter replacement during cleaning process. Removed in-tank additive references.
• 10245638Nov 3, 2023Fuel system. Safety Recall Parts are now available to remedy this issue. Certain model year 2021 to 2024, 567 and 579 vehicles built from 06/22/2020 through 06/16/2023 were equipped with air tank bracket G11-6439-009mounted behind a fuel tank without a frame spacer. The air tank mounting U-bolt tips may be different lengths and could contact the fuel tank, which can result in a hole and the potential for a fuel leak. Leaking…
• 10244480Oct 20, 2023Fuel system. Interim Safety Recall Certain model year 2021 to 2024, 567 and 579 vehicles built from 06/22/2020 through 06/16/2023 were equipped with air tank bracket G11-6439-009mounted behind a fuel tank without a frame spacer. The air tank mounting U-bolts are different lengths and may contact the fuel tank, which can result in a hole and the potential for a fuel leak. Leaking fuel may lead to an increased risk of a fire. At…
• 10244487Oct 18, 2023Fuel system. Incorrect fuel filter drain and replacement procedures on EPA21 MX-11 and MX-13 engines can result in the following: .Debris and contaminants introduced into the high-pressure fuel system. .Denial of warranty claims for injector and/or fuel system faults. .Misfire, rough running, engine knock, and other associated faults and symptoms. Correct fuel filter procedures are outlined in attached service documentation.
• 10244481Oct 17, 2023Engine cooling. A testing procedure has been created for the coolant level sensor on model 520.
• 10244492Oct 6, 2023Transmission and drivetrain, Engine cooling. Certain 579 MLU chassis equipped with Cummins X15 engines have fan hub bracket hardware that are incorrect for the application and/or under torqued and could become loose and/or fail. Procedures are available to replace and properly torque the hardware.
• 10244496Oct 2, 2023Engine cooling. Campaign Certain EPA2021 chassis equipped with PACCAR MX engines have Selective Catalytic Reduction (SCR) Catalyst contamination that occurred during manufacturing. SCR Catalyst assemblies will be inspected and replaced as necessary.
• 10243354Sep 18, 2023Electrical system. 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.
• 10243360Sep 1, 2023Engine cooling, Transmission and drivetrain. Certain 579 MLU chassis equipped with Cummins X15 engines have fan hub bracket hardware that are incorrect for the application and/or under torqued and could become loose and/or fail. Procedures are available to replace and properly torque the hardware.
• 10241499Aug 1, 2023Electrical system. There is currently a repair procedure available for model 579EV that will address issues caused by the previous BEV2 R5.00_002 software update shown in the Introduction section. This repair involves replacement of the Bendix ABS ECU with an updated version and a software update to R5.00_003. Repairs for model 520EV will be available at a future date.
• 10240324Jul 14, 2023Electrical system. On certain Model Year 2022 and 2023, 579 MLU trucks, built between 04/26/2021 and 07/29/2022, equipped with a PACCAR MX-13 engine and PACCAR 160-amp alternator, the alternator positive cable may chafe against the left-hand side, front spring bracket, top rearward fastener, if the fastener was installed with the head on the outside of the frame rail. Chafing of the alternator positive cable insulation may result in…
• 10238392Jun 27, 2023Electrical system. On certain Model Year 2022 and 2023, 579 MLU trucks, built between 04/26/2021 and 07/29/2022, equipped with a PACCAR MX-13 engine and PACCAR 160-amp alternator, the alternator positive cable may chafe against the left-hand side, front spring bracket, top rearward fastener, if the fastener was installed with the head on the outside of the frame rail. Chafing of the alternator positive cable insulation may result in…
• 10238387Jun 23, 2023Visibility (wipers, defrost, mirrors), Engine cooling. Fix-as-Fail - HVAC Intermittently Stops Blowing Cold Air
• 10235712May 3, 2023Engine cooling. PACCAR will reimburse customers for the local purchase of in-tank fuel additive for EPA2021 compliant MX engines. This is a one-time reimbursement. Only customers who have received E290 injector cleaning qualify for this reimbursement. See bulletin for limits and purchase tracking requirements.
• 10237152May 1, 2023Electrical system, Body and structure. Certain 579 chassis are eligible to receive production level Digital Display software, Digital Display, Lane Keep Assist MUX switches, and Kick Panel.
• 10235714Apr 13, 2023Visibility (wipers, defrost, mirrors), Body and structure. 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.
• 10235704Apr 13, 2023Electrical system, Brakes. 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.
• 10235711Apr 3, 2023Engine cooling. FIX-AS-FAIL – Updated procedures and claim filing information. EPA2021 injector cleaning is referenced in RMI for certain injector faults. Complete the procedures in E290. Refer to E300 for in-tank additive information.
• 10233384Mar 2, 2023Electrical system. Battery monitor module parts are now available. This bulletin update includes an installation procedure for the module and instructions to enable software functionality. Vehicles shipped with a pre-wire condition are now eligible for this customer paid installation of battery monitor modules as requested.
• 10232159Feb 28, 2023Body and structure. Model 579 A-pillar fairing adhesive is not properly securing the fairing to the cab structure.
• 10232161Feb 27, 2023Engine cooling. Certain Model Year 2021-2024 chassis with PACCAR MX engines and optional fuel filter restriction virtual gauge may display incorrect restriction levels. The virtual gauge will be temporarily disabled until are vised sensor strategy is developed.
• 10227175Nov 7, 2022Body and structure. Certain Model 579 chassis are able to have temporary chassis fairing latches updated to production-level fairing latches.
• 10227172Nov 7, 2022Fuel system, Electrical system. 21PBN – LNG/CNG Methane Detecti on System Will Not Warn Operator if System Loses Power – NHTSA ID:21V00N, TC: 2021-793
• 10225578Oct 18, 2022Engine cooling. 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 deliver secure software updates remotely. This will reduce downtime and save on maintenance costs for eligible vehicles.
• 10222269Sep 9, 2022Suspension. 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 the rub.
• 10219235Aug 3, 2022Brakes. The service information for Bendix Air Dryer maintenance is being updated to include new procedures.
• 10217123Jul 27, 2022Engine cooling. When updating the software on a truck to RC6 or higher, please ensure a PM sensor is physically installed before performing the software update.
• 10214856Jun 10, 2022Electrical system, Body and structure. 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 hold this battery in place.
• 10213095May 13, 2022Engine cooling. Emissions Recall - Distance With MIL On and Distance Since DTC Cleared counters read zero when viewed in DAVIE4 (DM21). Slow or no response from PCI-2 when requesting freeze frame data using DAVIE4 (DM25).
• 10213093May 11, 2022Engine cooling. ​Fix-As-Fail – If a customer comes into your dealership and demonstrates the condition above, replace the fan clutch adapter harness with the improved harness and clear the DTCs.
• 10210951Apr 4, 2022Engine cooling, Equipment. Emissions Recall: Engine Model Year 2021 MX engines built to EPA 21 emission standards (MY21B) and manufactured without a Particulate Matter (PM) sensor are required to have a PM sensor installed and the engine software updated. This is required for chassis to comply with current emissions standards.
• 10210949Apr 4, 2022Equipment, Body and structure. 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.
• 10209985Mar 31, 2022Engine cooling. This bulletin provides information on the EPA21 MX fuel injector cleaning procedure and includes suggested fuel system cleaning fluids. This procedure also provides information to determine if it is necessary to replace the fuel injectors.
• 10209707Mar 22, 2022Fuel system, Equipment, Engine cooling. Fix-As-Requested - ​​​Engine Model Year 2021B and later PACCAR MX-11 & MX-13 Fuel Injector Adjustment During First C Service
• 10209705Mar 18, 2022Equipment. Information Only – New Level 1 required tools are available to support MY21B MX engines.
• 10208766Feb 23, 2022Equipment, Brakes. On certain Model Year 2022 chassis with manual transmissions, the optional “audible alarm when door is open and park brake is not set” feature operates incorrectly due to a software issue. Software will be corrected when available.
• 10208758Feb 4, 2022Equipment. 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 primary antenna may experience this degradation.

← All problems reported for the 2022 Peterbilt 579