# Service bulletin 43\-063

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: 10169706
- Published by NHTSA: 2020\-01\-04
- Manufacturer's number: 43\-063
- Manufacturer's date: 2019\-12\-19
- NHTSA component: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

## NHTSA's summary

Emissions Campaign – The Engine Overspeed lamp may illuminate during a smoke opacity test. A software update is available to resolve the issue.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169706-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169706-9999.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- 2012 to 2018 KENWORTH T680
- 2012 to 2018 KENWORTH T880
- 2012 to 2017 PACCAR MX\-13

## Recalls for the same vehicles and component

- [21V00N000](/recalls/nhtsa/21V00N000.md), 2021-12-29: ELECTRICAL SYSTEM:WIRING
- [18V657000](/recalls/nhtsa/18V657000.md), 2018-09-21: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [18V092000](/recalls/nhtsa/18V092000.md), 2018-02-02: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\)
- [2017374](/recalls/tc/2017374.md), 2017-07-27: Electrical
- [17V471000](/recalls/nhtsa/17V471000.md), 2017-07-25: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; EXTERIOR LIGHTING
- [16V426000](/recalls/nhtsa/16V426000.md), 2016-06-10: ELECTRICAL SYSTEM:IGNITION:MODULE
- [2016289](/recalls/tc/2016289.md), 2016-06-08: Engine
- [15V597000](/recalls/nhtsa/15V597000.md), 2015-09-24: ELECTRICAL SYSTEM:IGNITION:MODULE; ENGINE AND ENGINE COOLING:ENGINE
- [2015418](/recalls/tc/2015418.md), 2015-09-23: Engine
- [2015190](/recalls/tc/2015190.md), 2015-05-08: Electrical

## Other bulletins for the same vehicles and component

- [P001](/bulletins/11037541.md), 2026-09-29, Service bulletin: ENGINE. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
- [E343](/bulletins/11037451.md), 2026-09-23, Service bulletin: ENGINE. An exhaust manifold slip joint seal kit is now available for EPA 2017\-2024 PACCAR MX\-13 engines.
- [E324](/bulletins/11035148.md), 2026-07-22, Service bulletin: ELECTRICAL SYSTEM. The campaign expiration date has been changed to 03/01/2027.
- [E311](/bulletins/11035111.md), 2026-07-21, Service bulletin: ENGINE. The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage.
- [E311](/bulletins/11033916.md), 2026-06-17, Service bulletin: ENGINE. The PACCAR Powertrain Prognostics Webcast video link has been removed. It will be included with updated information at a later date.
- [E311](/bulletins/11033373.md), 2026-06-03, Service bulletin: ENGINE. Kenworth \- The Warranty section has been updated to include Peterbilt\-specific SRT codes for cross\-division repair filing.
- [02\-177](/bulletins/11033351.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM. Troubleshooting procedures for 2.1m cab power windows are now available.
- [41\-024](/bulletins/11032876.md), 2026-05-20, Service bulletin: ENGINE. Procedures have been updated to include additional truck models in the service intervals table.
- [45\-070](/bulletins/11032293.md), 2026-05-06, Service bulletin: ENGINE. The attached procedures document has been updated with more detail and explanations. This is not a stand\-alone procedure. Cummins Quickserve troubleshooting will specify the use of these procedures while troubleshooting specific fault codes.
- [E326](/bulletins/11032284.md), 2026-05-06, Emissions: ENGINE; ELECTRICAL SYSTEM. EPA17\-24 MX Fuel Injector Connector \- This bulletin has been revised to include all EPA17\-24 and CARB24 PACCAR MX engines.

JSON: [/v1/bulletins/10169706](/v1/bulletins/10169706)

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