Service bulletin C1846
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10110336 |
| Published by NHTSA | 2017-08-04 |
| Manufacturer's number | C1846 |
| Manufacturer's date | 2016-11-04 |
| NHTSA component | ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) |
NHTSA's summary
This Campaign is being issued to address calibration issues for the ISX12 engines in certain motor coach applications. Certified repair locations are authorized to update the Engine Control Module (ECM) calibration any time the unit is in for maintenance or repairs, with certain restrictions on reimbursement.
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
Engine, Transmission and driveline, Automatic transmission, Transmission control module
| CUMMINS ISX12 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.