# Service bulletin ATC1929A

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: 10117905
- Published by NHTSA: 2017\-09\-22
- Manufacturer's number: ATC1929A
- Manufacturer's date: 2017\-08\-22
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Account Team Coverage is being issued to address certain B6.7 2017 engines in Blue Bird school buses that may experience a transmission fault code due to incorrect torque data broadcast on the J1939 datalink from the engine ECM. This ATC authorizes certified repair locations to recalibrate the engine control module.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10117905-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10117905-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- CUMMINS B6.7

JSON: [/v1/bulletins/10117905](/v1/bulletins/10117905)

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