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Service bulletins for the 2016 Peterbilt 389

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

46 on file from NHTSA, as of 2026-10-19.

By type

By component

By topic

Bulletins, newest first
32-0162020-04-03. Service bulletin. EQUIPMENT. Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
34-0852020-03-04. Service bulletin. VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. Information Only: Vehicles may have the connector seal on the wheel speed sensor incorrectly installed, which may lead to sensor corrosion.
03-0712020-01-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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.
01-0752019-12-04. Service bulletin. ENGINE AND ENGINE COOLING. Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.
13-0442019-11-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. Non Safety Campaign: Certain Model 367, 389, and 567 vehicles manufactured between October 12, 2015 and November 24, 2015 with Meritor MFS-20 or MFS-23 steer axles, disc brakes, and deep inset wheels, may experience reduced braking capability if the tie rod end attachment nut interferes with the disc brake caliper.
16-0412019-10-04. Service bulletin. SUSPENSION. 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.
TIB43-0622019-10-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 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).
42-0562019-09-05. Service bulletin. ENGINE AND ENGINE 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.
42-0582019-09-05. Service bulletin. ENGINE AND ENGINE COOLING. Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.
34-0662019-07-08. Service bulletin. ELECTRICAL SYSTEM. Information Only - Quick Reference Guide for Electric harness damage repairs.
03-0702019-06-11. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised display after updating CECU software.
34-0772019-05-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:ELECTRICAL. Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
13-0492019-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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.
03-0642018-08-13. Service bulletin. ELECTRICAL SYSTEM. Information - Recommended Practices for Updating ESA Software
26-0312018-08-13. Service bulletin. POWER TRAIN. Non-Safety Campaign - Chassis with Eaton Manual or Ultrashift transmissions may experience loosening of the bellhousing bolts.
7-172018-02-12. Service bulletin. WHEELS:HUB; WHEELS. Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
101612017-04-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FIX-AS-NEEDED - SMARTNAV SOFTWARE UPDATE IS AVAILABLE FOR IMPROVEMENTS TO IN-CALL AUDIO, RADIO SETTINGS AND WHEEL SEEK FUNCTIONALITY.
116-12017-02-18. Service bulletin. EQUIPMENT. FIELD REPAIR NOTICE: SMARTNAV 2.0 RETROFIT FOR MODELS BUILT WITH PRE-PRODUCTION PARTS.
116-22017-02-18. Service bulletin. EQUIPMENT. FIELD REPAIR NOTICE: CAMPAIGN FOR MODELS EXPERIENCING SMARTLINQ FAILURES TO CONNECT VIA REMOTE DIAGNOSTICS.
16-162017-02-17. Service bulletin. ENGINE. FIX-AS-FAIL: UPDATED PROCEDURE FOR MODELS WITH ENGINE-OVERSPEED WARNING BROUGHT TO DEALERSHIP.
FRN31612017-02-17. Service bulletin. EQUIPMENT. NON-SAFETY CAMPAIGN - THIS BULLETIN PROVIDES INSTRUCTIONS TO ACTIVATE DRIVER REWARD DISPLAY FUNCTIONS.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.