# Service bulletin TIB 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: 10209705
- Published by NHTSA: 2022\-04\-05
- Manufacturer's number: TIB 98\-020
- Manufacturer's date: 2022\-03\-18
- NHTSA component: EQUIPMENT

## NHTSA's summary

Information 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-10209705-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10209705-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2021 PETERBILT 320
- 2021 PETERBILT 365
- 2021 to 2022 PETERBILT 367
- 2021 to 2022 PETERBILT 389
- 2021 PETERBILT 520
- 2021 to 2022 PETERBILT 567
- 2021 to 2022 PETERBILT 579
- 2021 PETERBILT 587

## Other bulletins for the same vehicles and component

- [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.
- [04\-019](/bulletins/10210949.md), 2022-05-05, Service bulletin: STRUCTURE; EQUIPMENT. A roof fairing reinforcement kit increases structural support for one\-piece 579 roof fairings that are experiencing fatigue from external forces such as reverse towing.
- [E286](/bulletins/10209707.md), 2022-04-05, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ENGINE AND ENGINE COOLING; EQUIPMENT. Fix\-As\-Requested \- Engine Model Year 2021B and later PACCAR MX\-11 \& MX\-13 Fuel Injector Adjustment During First C Service
- [13\-057](/bulletins/10209699.md), 2022-04-05, Service bulletin: EQUIPMENT; SERVICE BRAKES, AIR; EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES, HYDRAULIC. Fix\-As\-Fail – A hill start assist \(HSA\) valve plumbing revision eliminates ice buildup in the HSA valve exhaust in cold weather.
- [13\-059](/bulletins/10208766.md), 2022-03-04, Service bulletin: PARKING BRAKE; EQUIPMENT. On certain Model Year 2022 chassis with manual transmissions, the optional “audible alarm when door is open and park brake is not set” feature operates incorrectly due to a software issue. Software will be corrected when available.
- [51\-013](/bulletins/10208758.md), 2022-03-04, Service bulletin: EQUIPMENT. 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.
- [34\-090](/bulletins/10208756.md), 2022-03-04, Service bulletin: EQUIPMENT; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. A frame mounted left\-hand marker light bracket interferes with the rear fuel tank fill location. A redesigned bracket can be purchased that relocates the marker bracket to the front fuel tank bracket to eliminate interference.
- [21PBN](/bulletins/10207154.md), 2022-02-04, Service bulletin: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; ELECTRICAL SYSTEM; EQUIPMENT. Interim Safety Recall – Methane detection system will not warn the operator if the system loses power. The driver could be unaware of an issue with the methane detection system or excessive methane present, increasing the risk of a fire, crash and/or personal injury. The repair procedure will be added when it is available.
- [32\-017](/bulletins/10189957.md), 2021-04-06, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Non\-Safety Campaign \- The batteries may drain quickly due to the VECU not going to sleep. Software update required.
- [21PBB](/bulletins/10189956.md), 2021-04-06, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. Safety Campaign \- Cummins Engine Flywheel Capscrews improperly torqued. Cummins Recall C2402.

JSON: [/v1/bulletins/10209705](/v1/bulletins/10209705)

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