2015 Peterbilt 386 problems, complaints & recalls
Safety recalls (3)
Electronic Stability Control (Esc) 2020-04-06 · campaign 20V199000 · 460,515 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles equipped with NAMUX Software. 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 not illuminate to warn the driver of the loss of ABS. As such, these vehicles fail
Risk: If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Fix: PACCAR will notify owners, and dealers will update the NAMUX software within the cab control module, free of charge. PACCAR issued owners an interim notification on June 4, 2020. The recall began May 26, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 20pbc AND 20KWB.
Electrical System:alternator/Generator/Regulator 2015-07-22 · campaign 15V456000 · 288 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2012-2016 Peterbilt 365, 367, 384, 386, 388, 389, 567, 579, and 587 trucks manufactured January 13, 2011, to April 20, 2015. The affected trucks, equipped with extended-body Leece Neville alternators, have alternator charge cables that may chafe against a formed metal freon discharge line.
Risk: If the alternator cable rubs through its insulation, an electrical short may occur, increasing the risk of a fire.
Fix: Peterbilt will notify owners, and dealers will reroute the alternator charge cable away from the metal freon line and install a plastic insulator on the cable end, free of charge. The recall began on September 23, 2015. Owners may contact Peterbilt customer service at 1-940-591-4000. Peterbilt's number for this recall is 715-K.
Electrical System:alternator/Generator/Regulator 2015-05-08 · campaign 15V270000 · 1,494 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2014-2016 Kenworth T660, T680, T880 trucks manufactured February 18, 2013, to April 10, 2015, and 2011-2016 Peterbilt 386, 389, 567, 579, and 587 trucks manufactured December 13, 2010, to April 20, 2015. The affected trucks, equipped with PACCAR MX-13 engines and Delco-Remy 40SI alternators, have alternator charge cables that may chafe against a formed metal freon discharge line.
Risk: If the alternator cable rubs through its insulation, an electrical short may occur, increasing the risk of a fire.
Fix: PACCAR will notify owners, and dealers will reroute the alternator charge cable away from the metal freon line, free of charge. PACCAR issued an interim notification to owners on July 10, 2015. The recall began on September 16, 2015. Owners may contact Kenworth customer service at 1-425-828-5000 or Peterbilt customer service at 1-940-591-4000. PACCAR's numbers for this recall are 15KWE and 515-F.
Service bulletins (28)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-09-11 · P001 · 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."
Engine 2024-11-22 · 32-025 · 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 starter replacements and associated warran
Service Brakes 2022-08-03 · 13-060 · Service Bulletin/Repair Instructions
the service information for bendix air dryer maintenance is being updated to include new procedures.
Visibility:windshield Wiper/Washer 2021-02-10 · 02-160 · 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.
Structure 2020-08-25 · 02-158 · 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 and cause the aluminum box mounting tabs to
Service Brakes 2020-07-29 · 13-054 · Service Bulletin/Repair Instructions
fix-as-fail - bendix new-gen lightweight steer axle drum brake spider cracking
Showing the 6 most recent of 28 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.