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Service bulletin 51-008

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10186164
Published by NHTSA2021-02-01
Manufacturer's number51-008
Manufacturer's date2016-07-07
NHTSA componentEQUIPMENT

NHTSA's summary

T680 predictive cruise control(PCC) incompatibility with cummins engine.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Vehicles listed
KENWORTH T6802011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
12V3330002012-07-16. EQUIPMENT:OTHER:LABELS
12V3320002012-07-16. EQUIPMENT
12V2490002012-06-01. EQUIPMENT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
36-0082023-10-03. Service bulletin. Certain T680 Next Gen pre-production chassis are eligible to receive production-level software, dash switches, and driver information displays.
E2862022-04-05. Service bulletin. Engine Model Year 2021B and later PACCAR MX-11 and MX-13 Fuel Injector Adjustment During First C Service
98-0202022-04-05. Service bulletin. nformation Only – New Level 1 required tools are available to support MY21B MX engines.
51-0132022-03-04. Service bulletin. 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
43-0692021-09-03. Service bulletin. A DPF regeneration two-position switch parameter is causing inhibited DPF regeneration. A parameter update, via Cummins Insite, restores proper DPF regeneration function.
02-1632021-08-05. Service bulletin. "Non-Safety Campaign - A vinyl camouflage wrap was applied to T680 NextGen built during the pre-production phase of the product launch. The wrap can now be removed."
02-1602021-03-10. Service bulletin. Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
51-0092021-02-01. Service bulletin. Predictive Cruise control (PCC) incomplete assembly and programming.
51-0072021-02-01. Service bulletin. Nav+HD MP3 reboot update ane features enable.
E1622021-01-25. Service bulletin. Incorrectly sized bolts may allow the venturri support bracket to vibrate.