Service bulletins for the 2017 Kenworth T680
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.
80 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 27-026 | 2017-02-18. Service bulletin. ENGINE. FIX-AS-FAIL - ENGINE OVER-SPEED LAMP COULD COME ON AFTER A DOWNSHIFT WITH THE EATON ULTRASHIFT PLUS TRANSMISSION. THIS DOES NOT AFFECT THE FUNCTION OF THE VEHICLE. |
|---|---|
| 24-006 | 2017-02-18. Service bulletin. EQUIPMENT. NON-SAFETY CAMPAIGN - INTERAXLE DRIVELINES AND YOKES WERE INSTALLED THAT ARE NOT MAINTENANCE FREE. THIS DOES NOT AFFECT THE VEHICLE FUNCTION. |
| 51-009 | 2017-02-18. Service bulletin. FUEL SYSTEM, OTHER. NON-SAFETY CAMPAIGN - POSSIBLE ASSEMBLY AND PROGRAMMING ISSUES WITH THE PCC SYSTEM MAY REDUCE THE FUEL SAVINGS BENEFIT OF PCC. |
| 51-008 | 2017-02-18. Service bulletin. EQUIPMENT. NON-SAFETY CAMPAIGN - INCORRECT PREDICTIVE CRUISE CONTROL (PCC) SPEED SIGNAL ON CUMMINS EQUIPPED T680 VEHICLES. |
| 15-025 | 2017-02-17. Service bulletin. STEERING. NON-SAFETY CAMPAIGN - AN INCORRECTLY ROUTED WIRE LOOM MAY CATCH ON THE STEERING COLUMN DURING USE, DAMAGING THE STEERING ANGLE SENSOR (SAS) WIRE, CAUSING AN ERROR MESSAGE AND DEACTIVATION OF THE VEHICLE’S STABILITY CONTROL SYSTEM |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.