Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 269 bulletins for PETERBILT
21PBl
Oct 18, 2021
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
Electric Stability Control a?? Malfunction Indicator Lamp May Not Illuminate a?? NHTSA ID: 21V-719. An incorrectly programmed software parameter results in a failed signal from the electronic stability control (ESC) system to the dash lamp
21 PBK
Sep 23, 2021
040000 SERVICE BRAKES, AIR
a??Safety Recall a?? Certain Model 520 trucks may have been built without a quick release (QR) valve. The absence of this valve could affect rear brake timing on certain vehicles equipped with a tri-drive or liftable tag axle and Dual Seate
21 PBJ
Sep 7, 2021
100000 POWER TRAIN
a??Safety RecallA a??A Hill Start Assist (HSA) Valve Clearance a?? NHTSA ID: 21V-648, TC: 2021-521. Crossmember mounted Hill Start Assist valve may not have sufficient clearance to the rear axle, resulting in hose or fitting damage. Damage
21 PBG
Aug 6, 2021
080000 FUEL SYSTEM, DIESEL
a??Safety Recall - Model year 2021 Cummins PX9 fuel hose assemblies may leak from the hoses between the fuel pump and the remote filter head. A fuel leak in the presence of an ignition source may increase the risk of a fire. A repair is now
52-004
Jul 19, 2021
118410 ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE
Fix-as-Fail: Radio does not mute when truck with auto trans is placed in reverse. Software flash resolves issue.
21PBE
Jun 30, 2021
040000 SERVICE BRAKES, AIR
a??Safety Recall a?? TSE Brake Chamber Air Leak a?? NHTSA ID: 21V328. Meritor brake chambers were built with a misaligned park spring, which may cause a fatigue hole in the diaphragm and an internal air leak. The affected brake chambers wil
21-PBD
Jun 22, 2021
070000 FUEL SYSTEM, GASOLINE
Safety Recall a?? Cummins Fuel Rail Leak a?? NHTSA ID: 21V391 / TC: 2021-323, Cummins Recall: C2423.A Cummins PX9 and ISX12 fuel rails may leak around a sealing washer, potentially resulting in fuel leaks.A Undetected prolonged diesel fuel
45-062
Jun 21, 2021
060000 ENGINE AND ENGINE COOLING
a??Fix-As-Fail a?? PX9 oil pan may leak due to improper hardware. Revised hardware will resolve the leak.
21-PBF
Jun 14, 2021
120000 EXTERIOR LIGHTING
Safety Recall a?? Interim Notification - The Daytime Running Lamps (DRLs) may turn off while the vehicle is in motion and the headlamps, fog lamps or turn signals are not on. This is non-compliant with Canadian Regulation CMVSS 108, which s
36-007
Jun 8, 2021
060000 ENGINE AND ENGINE COOLING
a??Non-Safety Campaign -A Certain Peterbilt Model 579 vehicles may have an incorrect blind spot sensor installed on the right-hand side.
FRN215-2Custltr
Apr 14, 2021
353800 EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
Sample Letter - 215-2 Sleekper Heater Core O-Rings Leaking
FR515Custltr
Apr 14, 2021
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Field Repair 515-1 Customer Letter
21PBB
Mar 24, 2021
060000 ENGINE AND ENGINE COOLING
Safety Campaign - Cummins Engine Flywheel Capscrews improperly torqued. Cummins Recall C2402.
T011
Dec 23, 2020
100000 POWER TRAIN
Fix-As-Fail - Prior versions of PACCAR transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement.
20 PBF
Dec 2, 2020
030000 SERVICE BRAKES, HYDRAULIC
Safety Recall: Interim Dealer Notification - Peterbilt has decided that a condition affecting vehicle stability may exist in certain Model 520 vehicles built from 9/26/2019 through 7/22/2020 with stability control and a spring brake modula
44-031
Oct 8, 2020
030000 SERVICE BRAKES, HYDRAULIC
Non-safety campaign: Peterbilt has determined that vehicles meeting the criteria below may exhibit interference between the fuel line fittings on the Davco fuel filter and the brake chamber due to insufficient clearance. Repeated contact b
E272
Oct 5, 2020
060000 ENGINE AND ENGINE COOLING
Non-Safety Campaign a?? Certain EMY 2020 EPA2017 MX-13 Engine brake control valve solenoids may malfunction. The solenoid malfunction may result in an engine brake a??always ona?? or a??always offa??. Solenoids will be inspected and replace
13-055
Oct 1, 2020
040000 SERVICE BRAKES, AIR
Fix as Fail: Peterbilt has introduced an improved mounting bracket for low mount air tanks for vehicles built between January 01, 2017 and July 06, 2020. Torsional vibration may stress the currently-installed brackets and cause them to fai
20PBE
Sep 16, 2020
100000 POWER TRAIN
Safety Recall: Peterbilt has decided that a condition could exist in certain model 348, 365, 367, 389, 520, and 567 vehicles built between 11/19/2019 and 4/09/2020. Vehicles equipped with Watson & Chalin SL2065 lift axles may have lower re
02-158
Aug 25, 2020
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
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 co
20PBD
Aug 8, 2020
010000 STEERING
Safety Recall: Model 520 vehicles with Right-Hand Stand-Up (a??RHSUa??) configuration built between February 15, 2019 and December 20, 2019 may have incorrect steering assist cylinder bracket bolts installed, which prevents proper retenti
43-067
Jun 10, 2020
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (a??SOCa??) exhaust and built from 03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the
34-087
Jun 10, 2020
110000 ELECTRICAL SYSTEM
Non-Safety Campaign: Peterbilt has determined that certain RHSU model 520 trucks, built from 7/16/2018 to 3/20/2020, may have been equipped with a Main Cab Harness that enables the Door Alarm to sound when it should be disabled. Model 520
11-001
May 29, 2020
100000 POWER TRAIN
Information only: Hendrickson Softek front axle maintenance intervals and requirements.