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Service bulletins for the 2016 Western Star 4900

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.

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

By type

By component

Bulletins, newest first
08 05-162016-10-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. 0805-16 SPN 100 (MCM)(GHG17)
08 04-162016-10-18. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 0804-16 SPN 5444 (MCM) (GHG17)
54-552016-10-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SBW5455 VIRTUAL TECHNICIAN RETROFIT
08 03-162016-10-18. Service bulletin. ENGINE AND ENGINE COOLING. 0803-16 SYMPTOM DIAGNOSTICS - COOLANT LOSS
16 TS-172016-10-18. Service bulletin. EQUIPMENT. 16TS17 GHG17 DD PLATFORM AMBIENT AIR TEMPERATURE SENSOR AND FAULT CODES
16 TS-162016-10-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 16TS16 DETROIT™ DT12™ TRANSMISSION OIL AND OIL FILL/DRAIN PLUG WASHERS
16 TS-142016-10-17. Service bulletin. EQUIPMENT; ENGINE. 16TS14 EPA10 AND GHG14 SERVICE REPLACEMENT 1-BOX DOC INLET CHANGE
ICI16-0112016-09-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON TECH TIP #TT7831EN TRANSMISSION PROGRAMMING
06 12-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0612-16 SPN 175 (MCM) (GHG17) AND SPN 175 (MCM); ( EPA07;EPA10;GHG14) DIAGNOSTIC PROCEDURE
06 11-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 0611-16 SPN 110 (MCM) (GHG17) AND SPN 110 (MCM); (EPA07;EPA10;GHG14) DIAGNOSTIC PROCEDURE
06 10-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 0610-16 SPN 111 (CPC) (GHG17) AND SPN 111 (CPC); (EPA07;EPA10;GHG14) DIAGNOSTIC PROCEDURE
06 09-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 0609-16 SPN 174 (MCM) (GHG17), SPN 174 (MCM) (EPA07), SPN 174; (MCM) (EPA10), AND SPN 174 DIAGNOSTIC PROCEDURE
06 08-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0608-16 SPN 715 (CPC) (EPA07;EPA10); SPN 715 (CPC) (GHG14); SPN 715 (CPC) (GHG17) DIAGNOSTIC PROCEDURE
06 05-162016-09-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0605-16 SPN 625 (CPC)(GHG17) AND SPN 625 (CPC) (EPA10;GHG14) DIAGNOSTIC PROCEDURE
06 01-162016-09-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 0601-16 SPN 103 (MCM) (GHG17) AND SPN 103 (MCM); (EPA07;EPA10;GHG14) DIAGNOSTIC PROCEDURE
16 TS-122016-08-31. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE. DETROIT™ APPROVED PRIMING TOOLS FOR THE KM63 GEN2 FUEL SYSTEMDETROIT™ APPROVED PRIMING
16-0222016-08-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. NEW DETROIT DIESEL EXHAUST FLUID AWNING STANDARD REPAIR TIME
SB-54-12015-12-16. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:TURN SIGNAL:SWITCH. WESTERN STAR: BRAKE SIGNAL OVERRIDES TURN SIGNAL UNDER NORMAL OPERATIONS, DUE TO TURN SIGNAL SWITCHES AND STOP/TURN LAMPS ARE SHARING SAME FILAMENT AND SOME TRUCKS WANT 4 WAY FLASHERS TO OVERRIDE SELF CANCELLING TURN SIGNAL SWITCHES. NO MODEL YEARS LISTED. CONSTELLATION, HERITAGE, 4700, 4800, 4900, 5700, 5900, 6900. *PE

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