# Service bulletin 51012

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: 10119760
- Published by NHTSA: 2017\-10\-21
- Manufacturer's number: 51012
- Manufacturer's date: 2017\-06\-30
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

Fix\-as\-Fail: CECU3 software P30\-1011\-139 software has been released. This software update is not mandatory. This software requires MY2017 PCC software when installed on MY2015/2016 vehicles equipped with PCC.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10119760-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10119760-0001.pdf)

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

## Components

Electrical system, Software

## Vehicles listed

- 2015 to 2016 KENWORTH T680
- 2015 to 2016 KENWORTH T880

## Other bulletins for the same vehicles and component

- [26\-037](/bulletins/10185190.md), 2021-01-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Fix\-As\-Fail \- Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator \(LCA\) fault codes leading to possible LCA hardware replacement.
- [03\-071](/bulletins/10169787.md), 2020-01-04, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Information Only \- Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer. The issue can be temporarily resolved using any one of the included procedures.
- [03\-070](/bulletins/10161168.md), 2019-06-11, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised display after updating CECU software.
- [51\-007](/bulletins/10092223.md), 2017-02-18, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. FIX\-AS\-REQUESTED \- NAV\+ HD SOFTWARE UPDATE FOR RANDOM REBOOT FIX AND MP3 FEATURES ENABLED.
- [TIB\-E\-110](/bulletins/10056906.md), 2015-03-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. KENWORTH: A NEW SOFTWARE IS AVAILABLE FOR THE DRIVER PERFORMANCE ASSISTANT \(DPA\) FOR RETROFITTING TRUCKS TO IMPROVE FUEL ECONOMY AND HAVE MAINTENANCE COSTS REDUCED. MODEL T680, 880. \*PE

JSON: [/v1/bulletins/10119760](/v1/bulletins/10119760)

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