2018 Peterbilt 386 problems, complaints & recalls
Safety recalls (2)
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.
Engine And Engine Cooling:engine:diesel 2018-09-21 · campaign 18V657000 · 48,896 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2017-2019 Kenworth C500, T600, T660, T680, T800, T880 and W900 trucks, as well as Peterbilt 367, 386, 389, 567, 579 and 587 trucks, equipped with Cummins ISX15 or X15 diesel engines. 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.
Risk: If the fuel line bursts, fuel may leak onto the road resulting in a roadway hazard for other motorists. The engine may also stall without warning, resulting in the vehicle's inability to restart, increasing the risk of a crash.
Fix: Cummins will notify owners, and dealers will replace the suspect fuel pump cooling circuit screen, free of charge. The recall began November 21, 2018. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 18E081.
Service bulletins (29)
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
Engine And Engine Cooling 2022-10-18 · 45-064 · 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 deliver secure software updates remotely. this
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.
Equipment 2022-02-04 · 51-013 · 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 primary antenna may experience this degradation.
Fuel System, Diesel 2021-09-21 · 43-071 · 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 operation with a failed def sensor by disab
Showing the 6 most recent of 29 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.