2022 Peterbilt 220 TSBs

to provide general use information. The new EMUX Service Tool Kit improves cab & chassis electrical troubleshooting efficiency, while reducing risk of component damage. 4/29/2025: The Ethernet Multiplexed Architecture (EMUX) Service Tool Kit and individual kit components are now available to order. Dealers that have received their first kit may order an additional kit. The EMUX Service Tool Kit Part number has been updated to match OEM drawings (P74-1045-001). Individual kit component part numbers can be found in the Reference Bill of Materials sheet. The new EMUX Service Tool Kit improves cab & chassis electrical troubleshooting efficiency, while reducing risk of component damage. Information Only New diagnostic tool is required to support PACCAR Ethernet Multiplexed Architecture (EMUX). The EMUX Service Tool Kit will help improve cab & chassis electrical troubleshooting efficiency, while reducing the risk of component damage.

The EMUX Service Tool Kit will help improve cab & chassis electrical troubleshooting efficiency, while reducing the risk of component damage.

Vehicles.

Due to this malfunction, the fuse for the telematic device is being triggered. If fuse has blown, the timer may malfunction.

demand, causing additional stress to the batteries. This can lead to depleted 12V batteries.

lift gate systems 12-volt lift gate systems are not compatible with vehicle electrical systems. Installation of a 12V lift gate on the 24V system could result in the following: * Accelerated wear on the 12V batteries. * Excessive current load on 12V system wiring. * Lights may dim when lift gate is in operation. * Lift gate may operate more slowly..

A new Starter Troubleshooting Guide has been created to provide a comprehensive list of starting system checks, which should reduce unnecessary starter replacements and associated warranty claims. Engine starting system warranty claims now require a completed Starter Checklist, a Battery Pack Midtronics Report, and a Cable Drop Midtronics Report. Claims filed without these documents may be denied.

Added new coverage tables and PartsLists for GHG/Vehicle Parts and ZEP/BEV Parts. 03/07/2022 - New Emissions bulletin which consolidates older versions and accounts for new CARBemissions requirements that go into effect with Engine Model Year 2022.

Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to deliver secure software updates remotely. This will reduce downtime and save on maintenance costs for eligible vehicles.

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."