# Service bulletin 98\-020

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: 10209712
- Published by NHTSA: 2022\-04\-05
- Manufacturer's number: 98\-020
- Manufacturer's date: 2022\-03\-18
- NHTSA component: EQUIPMENT

## NHTSA's summary

nformation Only – New Level 1 required tools are available to support MY21B MX engines.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10209712-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10209712-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2021 to 2022 KENWORTH T680
- 2021 to 2022 KENWORTH T800B
- 2021 to 2022 KENWORTH T880
- 2021 to 2022 KENWORTH W900

## Other bulletins for the same vehicles and component

- [36\-008](/bulletins/10243472.md), 2023-10-03, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Certain T680 Next Gen pre\-production chassis are eligible to receive production\-level software, dash switches, and driver information displays.
- [46\-001](/bulletins/10240234.md), 2023-08-03, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Safety Equipment, Personal Protective Equipment, and Tools have been extensively updated. Due to differences in suppliers and part numbers between the U.S. and Canada, separate lists for the U.S. and Canadian markets have been created to more effectively separate tool requirements and avoid confusion.
- [E285](/bulletins/10210951.md), 2022-05-05, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. Emissions Recall: Engine Model Year 2021 MX engines built to EPA 21 emission standards \(MY21B\) and manufactured without a Particulate Matter \(PM\) sensor are required to have a PM sensor installed and the engine software updated. This is required for chassis to comply with current emissions standards.
- [E286](/bulletins/10209715.md), 2022-04-05, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT. Engine Model Year 2021B and later PACCAR MX\-11 and MX\-13 Fuel Injector Adjustment During First C Service
- [51\-013](/bulletins/10208770.md), 2022-03-04, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet Mobile Gateway \(PMG001\) will experience severe 3G service degradation as early as January of 2022. Chassis currently utilizing 3G antennas as a primary antenna may experience this degradation
- [43\-069](/bulletins/10200929.md), 2021-09-03, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. A DPF regeneration two\-position switch parameter is causing inhibited DPF regeneration. A parameter update, via Cummins Insite, restores proper DPF regeneration function.
- [02\-163](/bulletins/10199986.md), 2021-08-05, Service bulletin: STRUCTURE; EQUIPMENT. "Non\-Safety Campaign \- A vinyl camouflage wrap was applied to T680 NextGen built during the pre\-production phase of the product launch. The wrap can now be removed."
- [02\-160](/bulletins/10188550.md), 2021-03-10, Service bulletin: VISIBILITY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY:WINDSHIELD WIPER/WASHER. Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
- [51\-008](/bulletins/10186164.md), 2021-02-01, Service bulletin: EQUIPMENT. T680 predictive cruise control\(PCC\) incompatibility with cummins engine.
- [E275](/bulletins/10185191.md), 2021-01-06, Service bulletin: ENGINE; EQUIPMENT:OTHER:LABELS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Non\-Safety Campaign \- Vehicles included in Model Year 2021 Pre\-Production Engine program have an Emissions Exemption label that must be replaced. The current Emissions Exemption label will expire on 12/31/2020 and requires a new label to extend the exempt

JSON: [/v1/bulletins/10209712](/v1/bulletins/10209712)

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