Service bulletins for the 2015 International Workstar
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.
254 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Throttle and cruise control are shown. Show all
| IK0800074 | 2021-12-07. Service bulletin. ENGINE AND ENGINE COOLING; VEHICLE SPEED CONTROL. Dual Drive Cab Throttle Position Harness for APS/IVS throttle pedals; only models with both left hand and right hand drive. |
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| IK2600128 | 2021-04-02. Service bulletin. VEHICLE SPEED CONTROL; ENGINE AND ENGINE COOLING. A26, N13, and 2010 EPA MaxxForce 11 and 13 engine Auxiliary Programable Parameters |
| 20510 | 2021-04-02. Service bulletin. ENGINE AND ENGINE COOLING; VEHICLE SPEED CONTROL. On certain trucks equipped with an automatic transmission, if the automatic transmission is still in drive or reverse position and the stationary PTO switch is engaged, the engine RPM will ramp up and may overcome parking brake hold capability resulting in possible vehicle movement. |
| IK0800517 | 2017-12-14. Service bulletin. ENGINE; VEHICLE SPEED CONTROL. Cummins Engine Remote Engine Speed Control; only with feature code12XAT or 12XBM |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.