2018 Peterbilt 579 Technical Service Bulletins

91 technical service bulletins (TSBs) are on record for the 2018 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.

• 10174764Apr 30, 2020Engine cooling, Brakes, Equipment. Safety Recall Bulletin: Updated with permanent repair path for phase 1 vehicles. The Tractor ABS Lamp May Not Illuminate When ABS Controller Loses Battery and/or Ignition Power. NHTSA recall number is 18V368. Non compliance to FMVSS and CMVSS 121 and 136. Resolution is to Reflash software.
• 10174763Apr 17, 2020Electrical system, Equipment. "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 terminal. Jumper terminal battery cables may be too long, or eligible for improved routing.
• 10174762Apr 15, 2020Brakes, Engine cooling, Electrical system. 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.
• 10173211Mar 31, 2020Electrical system. 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 jumper start terminal. Your vehicle may have jumper terminal battery cables that are too long, or are eligible for improved routing.
• 10173583Mar 27, 2020Body and structure. 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 by adding bottom tank washers.
• 10173206Mar 26, 2020Electrical system. 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 experienced.
• 10173205Mar 17, 2020Equipment. Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
• 10173212Mar 3, 2020Electrical system, Vehicle speed control. Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.
• 10172036Feb 28, 2020Electrical system, Vehicle speed control. Information Only: Vehicles may have the connector seal on the wheel speed sensor incorrectly installed, which may lead to sensor corrosion.
• 10169783Dec 20, 2019Electrical system. Fix as Fail: Peterbilt has determined that certain models 567 and 579 vehicles built after January 01, 2013 with an Espar fuel fire heater and SmartAir may have an auto On/Off malfunction at lower temperatures. User may experience lack of heat function on SmartAir if the set temperature is < 76 °F. Resolution is to install a jumper harness.
• 10169782Dec 20, 2019Electrical system. Fix as Fail: Peterbilt has determined that model 567 and 579 vehicles built after January 01, 2013 and equipped with Espar fuel fire heater and SmartAir may have temperature overshoot issue. User may experience higher sleeper interior temperature than the set temperature on the SmartAir control. Resolution is to install an additional external temperature sensor on the sleeper control panel.
• 10169787Dec 18, 2019Electrical system. Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer. The issue can be temporarily resolved using any one of the included procedures.
• 10168708Nov 22, 2019Engine cooling. Fix as Fail: Certain Models 579 and 567 vehicles manufactured with a Cummins ISX-15 engine built before 11/05/2018 the evaporator core may crack. An improved suction line has been released to alleviate the stress that may cause a cracked evaporator core
• 10168703Nov 6, 2019Engine cooling. Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.
• 10167115Oct 30, 2019Body and structure. Fix as Fail: Certain model 579 trucks manufactured between September 5, 2014 and May 25, 2018 may have a faux door panel on the fairing with an insufficient weld that could result in the panel loosening. Resolution is to replace the applicable door panel upon failure.
• 10165711Sep 27, 2019Suspension. Non Safety Campaign: Peterbilt has determined that certain Model 365, 384, 386, 388, 389, 3895, 587 and 579 vehicles built between March 27, 2012 and January 20, 2019 with Flex Air suspension in a 6x2 configuration have U-bolts that may fail prematurely.
• 10165583Sep 27, 2019Engine cooling, Equipment. Information Only – This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).
• 10165712Sep 13, 2019Electrical system, Transmission and drivetrain. Fix as Fail: Certain model 579 and 567 vehicles equipped with Eaton Endurant or PACCAR AMT transmissions, built between 5/01/2017 and 4/07/2019, may have a fluid pressure sensor rubbing or experiencing hard interference with routing brackets, power cables, wiring harnesses, or air lines in the driver’s side frame rail.
• 10164411Aug 30, 2019Electrical system. Fix as Fail Vehicles are susceptible to noise interference due to an incorrect V-Can wiring in the roof harness. A procedure for installing a V-CAN overlay will correct this issue.
• 10164402Aug 30, 2019Fuel system. Fix-As-Fail - Nylon fuel lines may be too short, potentially resulting in a cracked or loose, low pressure fuel fitting at the engine or fuel tank, which may introduce air into the fuel system resulting in a hard-to-start or no-start condition.
• 10164378Aug 28, 2019Engine cooling. Fix-As-Fail -“ Composite fittings used in the cooling system may crack, resulting in coolant leaks. Brass fittings are available to replace the composite fittings.
• 10164375Aug 23, 2019Engine cooling. Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.
• 10164409Aug 22, 2019Body and structure. Fix as Fail Vehicles equipped with chassis fairings may have battery box openings that allow debris to enter the box. A battery box closeout has been designed and when installed will prevent debris from entering the battery box.
• 10164408Aug 22, 2019Body and structure, Equipment. Non-Safety Campaign Vehicles were built with a ladder bracket to aide in the routing of engine harnesses could potentially cause damage to the engine harness and must be removed.
• 10164405Aug 16, 2019Steering. Non-Safety Campaign: Vehicles built with pre-production steering column parts are updated with production quality components.
• 10164369Aug 2, 2019Equipment. Fix as Fail HVAC system may demonstrate inadequate temperature control, be stuck in defrost mode, or have intermittent changes in fan speed that can be remedied with an updated HVAC software.
• 10163419Jul 22, 2019Transmission and drivetrain. Fix as Fail: Vehicles with Eaton Ultrashift Plus or Fuller Advantage Automated transmissions may display fault codes and/or have clutch release problems due to broken clutch levers. Resolution is to replace the clutch.
• 10162392Jun 10, 2019Electrical system. Information Only - Quick Reference Guide for Electric harness damage repairs.
• 10159674Apr 8, 2019Equipment. Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
• 10154734Jan 21, 2019Seat belts. Safety Recall Interim Notification: Seat belt buckle assemblies were glued and not sewn, allowing seat belt to come apart.
• 10154735Jan 9, 2019Exterior lighting, Equipment. Safety Recall: Vehicles fail to confirm with FMVSS/CMVSS No 108 - Table 1-a requirements for intermediate side marker lamp and reflex reflector.
• 10154733Jan 4, 2019Electrical system. Information: Bendix ACOM Software version 6.16.5.0 for diagnostics may introduce an unrecoverable error. Notice to dealers to replace this version with older software version until Bendix introduces new version.
• 10154732Jan 4, 2019Electrical system. Non-Safety Campaign: Vehicles equipped with Cummins ISX12 engines may have missing line heater fuses or relays.
• 10150741Oct 10, 2018Electrical system. Fix as Fail: DAVIE4 Service Tool is unable to support software updates on VECU's with Incorrect Hardware Part Numbers
• 10143649Jul 23, 2018Electrical system. Information - Recommended Practices for Updating ESA Software
• 10138445Apr 6, 2018Electrical system. Information only - Customer installed inverters may be wired incorrectly.
• 10130665Feb 9, 2018Exterior lighting. Fix-As-Fail - Low Beam Headlamp Bulb Diagnosis (Inspect Bulb and Connector)
• 10127482Dec 13, 2017Equipment. Informational Only - Peterbilt 579 aero bumper radar cover license plate grommets require 1/4&quot;x 20 x 3/4&quot;long fasteners.
• 10118723Sep 27, 2017Engine cooling. Fix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.
• 10092245Nov 7, 2016Equipment. Fix-as-fail: an internal issue may cause some hvac mode door actuators to fail. This will cause the hvac system to act erratically or constantly turn on and off.
• 10186168Jul 13, 2016Equipment. SmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units.

← All problems reported for the 2018 Peterbilt 579