2016 Peterbilt 579 TSBs
76 Technical Service Bulletins across 13 categories
Categories
Electrical
21 bulletinsFix-As-Fail Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available.
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As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a vehicle to continue operation with a failed DEF sensor by disabling the DEF sensor diagnostics.
Non-Safety Campaign Chassis with the City Horn option may generate unexpected alerts.
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A VECU software update is available to resolve the issue.
Non-Safety Campaign The batteries may drain quickly due to the VECU not going to sleep.
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Updated VECU software is available to resolve the issue.
Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the...
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appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (SOC) exhaust and built from...
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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 rotate and contact the cab or sleeper.
Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead...
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to water intrusion and corrosion in some vehicles.
Fix as Fail: Peterbilt has determined in model 567 and 579 vehicles built after 2011, the door harnesses may fail due...
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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.
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
Information Only: Vehicles may have the connector seal on the wheel speed sensor incorrectly installed, which may lead...
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to sensor corrosion.
Fix as Fail: Peterbilt has determined that certain models 567 and 579 vehicles built after January 01, 2013 with an...
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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.
Fix as Fail: Peterbilt has determined that model 567 and 579 vehicles built after January 01, 2013 and equipped with...
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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.
Fix as Fail Vehicles equipped with chassis fairings may have battery box openings that allow debris to enter the box.
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A battery box closeout has been designed and when installed will prevent debris from entering the battery box.
Information Only - Quick Reference Guide for Electric harness damage repairs.
Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised display after...
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updating CECU software.
Non-Safety Campaign: Vehicles may have a fuse installed in the PDC (Power Distribution Center) in a location unable to...
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support the amperage.
Fix as Fail: DAVIE4 Service Tool is unable to support software updates on VECU's with Incorrect Hardware Part Numbers
Non-Safety Campaign ? Outside air temperature sensor may fail for 567 and 579 built between 2015 and 2017.
Fix-as-Fail ? Outside air temperature sensor may fail for 567 and 579 built between 2015 and 2017.
Fix-as-Fail: CECU3 software P30-1011-139 software has been released.
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This software update is not mandatory. This software requires MY2017 PCC software when installed on MY2015/2016 vehicles equipped with PCC.
Non Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on Model 567/579...
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vehicles equipped with this option.
Fix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.
Engine
10 bulletinsInfo Only Unnecessary starter replacements can result from customer complaints regarding engine starting issues.
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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 Report, and a Cable Drop Midtronics Report. Claims filed without these documents may be denied.
Emissions Recall Certain vehicles with PACCAR MX-11 and MX-13 EMY2016 engines with less than 300,000 miles (482,803...
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km) have been shown, in testing, to exceed regulatory limits for NOx and N2O emissions. This bulletin now applies to both Canadian and U.S. registered vehicles. Software is now available to remedy this emissions non-compliance.
Fix-As-Fail On certain chassis with Low Air Leaf Suspension or Low-Low Air Leaf Suspension, the Height Control Valve...
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(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.
An engine software update is required to resolve OBD system readiness, DEF doser diagnostics, and otherOBD system...
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software related issues.
"Safety Recall: NHTSA recall number is 20V130.
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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. Battery cables that are too long may chafe against the left front suspension leaf spring, which could cause a short circuit, fire under the hood, or increased risk of crash. "
Safety Recall Interim Bulletin: Peterbilt has decided that a defect, which relates to motor vehicle safety, may exist in...
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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. Battery cables that are too long may chafe against the left front suspension leaf spring, which could cause a short circuit, fire under the hood, or increased risk of crash.
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.
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An improved suction line has been released to alleviate the stress that may cause a cracked evaporator core
Fix-As-Fail - Composite fittings used in the cooling system may crack, resulting in coolant leaks.
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Brass fittings are available to replace the composite fittings.
FIX-AS-FAIL: UPDATED PROCEDURE FOR MODELS WITH ENGINE-OVERSPEED WARNING BROUGHT TO DEALERSHIP.
VEHICLES MANUFACTURED WITH A CUMMINS ENGINE AND PREDICTIVE CRUISE CONTROL (PCC) ARE EXPERIENCING AN IMPROPER MESSAGE.
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THE CECU SENDS AN INCORRECT SIGNAL "PCC NEGATIVE SPEED OFFSET OF -2.5 MPH (-4KM/H), NEGATING THE FUEL ECONOMY BENEFIT OF PREDICTIVE CRUISE CONTROL.
HVAC & Climate
8 bulletinsFix-as-Fail - HVAC Intermittently Stops Blowing Cold Air
Sample Customer Letter - 215-3 Sleeper Heater Core O-Ring Leaking
Fix as Fail The HVAC system, on model 579 and 567 vehicles manufactured since 1/20/2012 may have inadequate temperature control.
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The HVAC may intermittently stop blowing cold air, typically after a truck restart. Driver may notice the system returns to normal after key cycle. The remedy is updating HVAC software.
Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
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A/C compressor.
Fix as Fail HVAC system may demonstrate inadequate temperature control, be stuck in defrost mode, or have intermittent...
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changes in fan speed that can be remedied with an updated HVAC software.
Fix-As-Fail: HVAC panel and temperature mode doors are failing for certain 579 and 567 models.
FIX-AS-FAIL: PETERBILT 567/579 HVAC PANEL AND TEMPERATURE MODE DOORS NOT FUNCTIONING PROPERLY
FIX-AS-FAIL: AN INTERNAL ISSUE MAY CAUSE SOME HVAC MODE DOOR ACTUATORS TO FAIL.
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THIS WILL CAUSE THE HVAC SYSTEM TO ACT ERRATICALLY OR CONSTANTLY TURN ON AND OFF.
Pre-Delivery & Maintenance
5 bulletinsThe campaign expiration date has been changed to 03/01/2027.
Non-Safety Campaign- Chassis Fairings become loose and rattle.
Information only: Hendrickson Softek front axle maintenance intervals and requirements.
Information Only This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke...
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Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).
FIELD REPAIR NOTICE: CAMPAIGN FOR MODELS EXPERIENCING SMARTLINQ FAILURES TO CONNECT VIA REMOTE DIAGNOSTICS.
Body & Paint
5 bulletinsTroubleshooting procedures for 2.1m cab power windows are now available.
Information Only Windshield washer pumps have a high No Trouble Found rate.
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Washer pumps may fail to spray due to a clogged filter.
Fix as Fail: Certain model 579 trucks manufactured between September 5, 2014 and May 25, 2018 may have a faux door...
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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.
Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
Informational Only - Peterbilt 579 aero bumper radar cover license plate grommets require 1/4"x 20 x 3/4"long...
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fasteners.
Other
4 bulletins"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
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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."
21PBN LNG/CNG Methane Detecti on System Will Not Warn Operator if System Loses Power NHTSA ID:21V00N, TC: 2021-793
DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number...
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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.
Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.
Transmission
4 bulletinsFor all Peterbilt chassis equipped with an air shifted PTO.
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Oil from the air shift cover of the PTO may leak into the air line, causing the EOA solenoid to become inoperative.
Non-Safety Campaign: Eaton Endurant transmissions may experience premature Main Drive Gear damage due to clutch housing...
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and main case countershaft bearing bore wear. A Clutch Housing Front Cover Kit will be installed to address the issue.
Non-Safety Campaign - Chassis with Eaton Manual or Ultrashift transmissions may experience loosening of the bellhousing...
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bolts.
ALLISON TRANSMISSION: ON SOME TRUCKS, THE PUSH BUTTON SHIFT SELECTOR (PBSS) SKIPS OIL LEVEL READING AND GOES DIRECTLY...
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TO PROGNOSTICS AND COULD BE MISSING WIRE 116 ON BULKHEAD OTHER SIDE. MODELS T680, T880, 579, 567. *PE UPDATED 2/1/16. *PE
Software & Calibration
4 bulletinsThe service information for Bendix Air Dryer maintenance is being updated to include new procedures.
Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer.
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The issue can be temporarily resolved using any one of the included procedures.
Information: Bendix ACOM Software version 6.16.5.0 for diagnostics may introduce an unrecoverable error.
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Notice to dealers to replace this version with older software version until Bendix introduces new version.
Information - Recommended Practices for Updating ESA Software
Infotainment
4 bulletinsSmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units.
FIX-AS-NEEDED - SMARTNAV SOFTWARE UPDATE IS AVAILABLE FOR IMPROVEMENTS TO IN-CALL AUDIO, RADIO SETTINGS AND WHEEL SEEK...
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FUNCTIONALITY.
FIELD REPAIR NOTICE: SMARTNAV 2.0 RETROFIT FOR MODELS BUILT WITH PRE-PRODUCTION PARTS.
NON-SAFETY CAMPAIGN - THIS BULLETIN PROVIDES INSTRUCTIONS TO ACTIVATE DRIVER REWARD DISPLAY FUNCTIONS.
Brakes
4 bulletinsFix as Fail: Peterbilt has determined that certain model 348, 365, 367, 382, 384, 386, 388, 389, 567, 579, and 587...
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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 and cause the aluminum box mounting tabs to rub directly on the steel frame brackets. This could result in cracked battery box mounting angles. Resolution is to add the reinforcement bracket(s) to affected vehicles.
Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
Safety Recall Bulletin: Updated with permanent repair path for phase 1 vehicles.
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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.
Safety Recall Interim Bulletin: The Tractor ABS Lamp May Not Illuminate When ABS Controller Loses Battery and/or Ignition Power.
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NHTSA recall number is 20V199 Non compliance to FMVSS and CMVSS 121 and 136. Resolution is to Reflash software.
Lighting
4 bulletinsSafety Recall: Vehicles fail to confirm with FMVSS/CMVSS No 108 - Table 1-a requirements for intermediate side marker...
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lamp and reflex reflector.
Information only - Customer installed inverters may be wired incorrectly.
Fix-As-Fail - Low Beam Headlamp Bulb Diagnosis (Inspect Bulb and Connector)
NON-SAFETY CAMPAIGN: WATSON & CHALIN LIFT AXLE FRAME BRACKETS WITH SLOTTED LOWER MOUNTING HOLES MAY EXHIBIT CRACKING...
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WHEN FASTENERS ARE POSITIONED AT THE UPPER PORTION OF THE SLOT. INSTALLING A DOUBLER PLATE MAY PREVENT CRACKS FROM DEVELOPING. FOR VEHICLES WHERE CRACKING IS EVIDENT, A NEW UPDATED SIDE PLATE WILL BE INSTALLED.
Suspension
2 bulletinsNon Safety Campaign: Peterbilt has determined that certain Model 365, 384, 386, 388, 389, 3895, 587 and 579 vehicles...
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built between March 27, 2012 and January 20, 2019 with Flex Air suspension in a 6x2 configuration have U-bolts that may fail prematurely.
Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
Tires & Wheels
1 bulletinInterim Safety Recall Methane detection system will not warn the operator if the system loses power.
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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 personal injury. The repair procedure will be added when it is available.