Duaparts Blog

Applicable Vehicles:This document applies to 2010 thru 2020 model year Freightliner and Western Star chassis used in a "Truck" application and equipped with an Airliner rear suspension. PROBLEM / SYMPTOMS:  In a "Truck" application there are a number of problems that can result in a chassis lean at the Airliner rear suspension:• Unequal tire pressure side to side.• Rear read more

Applicable Vehicles All New Cascadia equipped with a Cab Load Disconnect Switch (CLDS). Symptoms In very cold weather, if a truck has been parked outside with the CLDS turned off, the Battery Cable Access (BCA) module might not provide power to the vehicle when the CLDS is turned on. The situation is more pronounced in extreme cold temperatures experienced in the northern United States an read more

Applicable Vehicles P4 New Cascadia vehicles specified with Detroit-Racor Fuel Water Separator and Adaptive Power Steering built since 10/8/2021. Symptoms Access to FWS Bowl to replace Filter is reduced due to location of a APS Wiring Bracket. Issue New Cascadia vehicles specified with Detroit – Racor Fuel Water Separators and Adaptive Power Steering (APS) may have reduced access to ser read more

Applicable Vehicles This Solution applies to M2 Plus vehicles built with a Cummins engine and Detroit Assurance. Symptoms Under certain driving conditions the fault code  232/524000/19- ECU CPC data error can come active intermittently. Issue There is a known issue with Fault code 232/524000/19 ECU CPC data error associated with M2+ vehicles supplied with a Cummins engine and Detroit Ass read more

Symptoms Steering wheel air bag codes, parts unavailable.  Issue Cascadia vehicles (not NEW Cascadia) experience shortages and future scarcity for for steering wheel air bag replacements resulting from the supplier transition from Takata to Joysen.  Solution Joysen now supplies Cascadia steering wheel airbags for many applications. The Joysen airbags are the same fit as the Takata v read more

Applicable Vehicles This solution only applies to vehicles that where built with a Bulkhead Module (BHM). Issue As of April of 2016 production vehicles using BHMs where updated with new SPN/FMI codes.  As part of this release, 7 fault codes were duplicated and the SPN description does not match the actual problem.   This only applies to SPNs 524280 thru 524286 with the FMI 7.&nbs read more

Applicable Vehicles Cascadia with Cummins Engines (CM2350) Issue Customer wants to be able to idle up the engine when parked using the cruise control set/resume switch. Solution The following will outline how to set up the parameters in Cummins INSITE in order to enable this feature. (1) Find the "Adjustable Low Idle Speed" folder and expand it (see below) (2) Set the "Adjustable Low Idle read more

LOCATING LEAKS IN FRONT OF CABIf a leak is suspected, thoroughly check the cab for leaks, but do not rule out the possibility that the moisture came from condensation, a drink spill, or a window left open in the rain. Testing with a garden hoseCAUTION: Before leak testing with a garden hose, make sure the FL545 Recall repairs have been completed. This precaution must be taken to pr read more

Applicable Vehicles P4 New Cascadia vehicles built from 9/9/2019 thru 1/9/2023 Symptoms PTO grinding noise during operation Issue When vehicle is in PTO operation, a parameter (emergency mode) may be incorrectly set allowing the PTO to try to re-engage while in operation.  Solution If encountering PTO grinding during operation, check the sSAM for the PTO position (screen print example read more

DRIVER AND PASSENGER SIDE DOOR SWITCHESThe dome lamps are activated by opening the driver or passenger side door. Opening and closing the door actuates a door switch which is part of the door latch assembly in each door.Continuity across door switch (switch closed) = door openNo continuity across door switch (switch open) = door closedThere is continuity across the switch when the door latch is in read more