2022 Freightliner Cascadia Technical Service Bulletins

389 technical service bulletins (TSBs) are on record for the 2022 Freightliner Cascadia. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10199372Jul 16, 2021Fuel system. Service Solution for New Cascadia Fuel Sending Unit Connector Loose.
• 10199363Jul 15, 2021Seats. Customer Advisory Letter for Replacement of Sears Driver Seat Metal Mounting Clip to Eliminate Seat Sensor Chaffing Issue. The seat sensor harness on New Cascadia vehicles ordered with a Sears driver seat (sales code 756-1H2) may experience chaffing due to the incorrect mounting of a metal clip edge;
• 10199371Jul 14, 2021Forward collision avoidance, Lane departure. Service Solution for VRDU Fault Code 232/524000/19and 232/524049/19 – ECU CPC Data Error. This VRDU code typically sets after the VRDU gets reprogrammed and parameters to clear out. To prevent this from happening in the future, follow the programming guide laid out in SB 54-308.Parameter changes during flashing can occur if the programming steps are not followed.
• 10199895Jul 2, 2021Electrical system. Continued Supply Shortages Impacting Battery Disconnect Components
• 10198596Jun 22, 2021Brakes. Field Service Campaign for Cascadia/49X ABS MBSP+ Controller Software Update. Certain vehicles have a WABCO Anti-Lock Braking System (ABS) controller that logs excessive 629-11 fault codes which subsequently lead to additional downstream fault codes.
• 10198287Jun 18, 2021Electrical system. Freightliner Service Solution for New Cascadia No Start and or Stalk Switch Shift Lever Right Active Fault(s). The solution applies to New Cascadia vehicles built from 1/1/2020 with Detroit Engines and DT12 transmissions.
• 10198285Jun 16, 2021Wheels. Customer Advisory Letter for 4-Hook Chain Hanger Replacement.
• 10194964May 28, 2021Lane departure. Dealer communication concerning the semiconductor and microprocessor shortages affecting the ordering of Detroit Side Guard Assist (SGA).
• 10194882May 27, 2021Engine cooling, Transmission and drivetrain. Tech Talk Discussion Gen 5 DD15 Engine noise metal to metal clunk/grunt. Bad Vibration dampener/ balancer
• 10194817May 26, 2021Engine cooling. Tech Talk Discussion Cylinder #1 Exhaust Pressure Pulse Too High
• 10198095May 18, 2021Electrical system, Engine cooling. Supply chain shortage notice. Model Year 2022 Freightliner, Western Star, Freightliner Custom Chassis, and Thomas Built Bus vehicles manufactured with the following engines have been built without a Particulate Matter (PM)/Soot sensor: •DD15 Gen 5 (Gats 2.0) (with a June 2021 or later GHG build date) •DD13 Gen4 (1-box) (with a June 2021 or later GHG build date) •Cummins B6.7 (with a…
• 10194477May 12, 2021Equipment, Brakes. Customer Advisory Letter for Drive Axle Drum Brake S-Cam U-Bolt Replacement.
• 10194857May 10, 2021Electrical system. Tech Talk Discussion P4 Ground Issues Continue
• 10194822May 7, 2021Transmission and drivetrain. Tech Talk Discussion Gen 5 valve train issue
• 10199391May 1, 2021Suspension. Freightliner Action Bulletin FAB286 Cascadia Rear Suspension Ride Height
• 10190985Apr 26, 2021Visibility (wipers, defrost, mirrors). Updated Freightliner Service Bulletin for Adjusting Automatic Temperature Control Range with Optimized Idle. This bulletin replaces the version dated 12/06/2019. Tables 3 and 4 have been updated. Steps to change and match HVAC desired settings have been updated.
• 10191150Apr 23, 2021Visibility (wipers, defrost, mirrors). Service Solution for P4 Main Mirror Arm Covers Loose - Falling Off. Lower arm cover designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off.
• 10191149Apr 23, 2021Transmission and drivetrain. Service Solution for FTL DT12 Trans Control Harness Chaffing - PT Can faults. Transmission will not shift into Gear while driving or will not start and trigger multiple PT CAN Fault Codes.
• 10191146Apr 23, 2021Tires. Customer Advisory Letter for Tire Valve Stem Inspection.
• 10190554Apr 23, 2021Electrical system. Customer Advisory Letter for Battery Cable Access (BCA) 29A Cable Inspection.
• 10191840Apr 20, 2021Engine cooling. Tech Talk discussion on gen 5 valve train issue. 21TS-06 released for issue.
• 10191143Apr 19, 2021Transmission and drivetrain. Detroit Field Service Campaign for DT12 Transmission Drive Shaft Cover Plug Reseal. Daimler Trucks North America LLC, on behalf of its DETROIT Powertrain Division, is initiating Field Service Campaign D21M1 on certain DT12 transmissions in order to reseal the bypass plugs of the drive shaft cover located in front housing.
• 10190551Apr 19, 2021Engine cooling. Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown. The updated after treatment system (ATS) diesel exhaust fluid (DEF) pump times will be applied to repair orders opened on or after April 12, 2021.
• 10191864Apr 16, 2021Brakes. Tech Talk discussion on Front disc brakes are locked up as well as the trailer service brakes.
• 10190549Apr 6, 2021Equipment. Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.
• 10199390Apr 1, 2021Body and structure. Freightliner Action Bulletin FAB285CAS Ultra Lightweight Package
• 10201997Mar 29, 2021Equipment. DetroitConnect customer communication for certain vehicles unable to complete over the air updates including parameters and DDEC over the air.
• 10189618Mar 26, 2021Suspension, Brakes. Customer Advisory Letter for Inspection and Correction of the Clearance between the Drive Axle Disc Brake Chamber and the Airliner Leaf Spring.
• 10200687Mar 25, 2021Suspension. Cascadia Rear Suspension Ride Height Update In an effort to clearly identify the AirLiner rear suspension ride height, and to align with future suspension offerings, the ride height data codes (see module 621) changed in SpecPro as of 3/11/21 for Cascadia models. This change does not affect the ride height of your spec, it clarifies the ride height within the data code.
• 10200686Mar 25, 2021Other or unknown. Freightliner and Western Star Production Schedule Update Freightliner Cascadia & Western Star 4700, 49X and 5700XE Production Schedule Update We recently communicated to our Freightliner Trucks dealer distribution network the rolling production delays for medium-duty truck models built at our Mount Holly and Santiago Truck Manufacturing Plants(TMP).
• 10189340Mar 24, 2021Equipment. Updated Freightliner Service Bulletin for Espar Service Information. This bulletin replaces the version dated January 1, 2015. New Cascadia has been added to the model list.
• 10198592Mar 23, 2021Visibility (wipers, defrost, mirrors). Updated Freightliner Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve Espar Heater Cool Down. This bulletin replaces the version dated 03/03/2021. Information on software versions and the number of software updates needed has been updated.
• 10189826Mar 23, 2021Electrical system. Tech Talk discussion on Interior Comfort Mode.
• 10189319Mar 22, 2021Equipment, Electrical system. Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.
• 10189338Mar 19, 2021Electrical system. Service Solution for New Cascadia Maintenance Indicator Issues. Some customers have reported incorrect or undesired pop up messages occurring in the ICC5 display and have requested field correction.
• 10189337Mar 19, 2021Electrical system, Lane departure. Service Solution for P4 New Cascadia Side Guard Radar Harness Moisture Intrusion. The 6-pin connector located at the side radar can show signs of water intrusion if wires are strained at the connector. Wires without strain relief can allow water to intrude past the seals, resulting in corrosion on the terminals and pins within the connector. Active fault codes for lost communication with RDU and SRRM, plus other…
• 10189320Mar 16, 2021Engine cooling. Revised Freightliner Service Bulletin for netized Fill Neck for Six-Gallon DEF Tanks. A design change removed the magnets from the fill necks for some 6-gallon diesel exhaust fluid (DEF) tanks. If the vehicle is equipped with a non-magnetic fill neck 04-32529-000, it can be updated to a magnetic neck 04-32529-001. This bulletin replaces the version dated 04/18/2017. Updated availability of magnetic fill neck option…
• 10190020Mar 10, 2021Transmission and drivetrain, Equipment. DTNA received a field notification on multiple units regarding diagnostic fault codes that were found to be causing issues to the After Treatment Control Module (ACM). These fault codes indicated that the ACM communication message was not received by the Motor Control Module (MCM) which in certain cases, led to a 25% engine de-rate situation. Further diagnosis revealed that the DT12 wiring harness was chafing and…
• 10189344Mar 8, 2021Engine cooling. Customer Advisory Letter for Adding Exhaust Shim to ATS Exhaust Outlet and Replacing Exhaust Elbow and Clamp. An undersized ATS outlet pipe was installed on these vehicles, causing the exhaust clamp used to fasten the exhaust elbow to not clamp securely.
• 10189346Mar 5, 2021Electrical system. Customer Advisory Letter for Disabling the Park Brake Drag ICU Warning Message.
• 10189321Mar 4, 2021Equipment. Revised Freightliner Service Bulletin for New Cascadia Key Fob ID Retention. This bulletin replaces the version dated 8/15/2018. The guidance for locating the serial number for key fobs has changed. It is no longer necessary to document the serial number in PartsPro.
• 10189331Mar 3, 2021Visibility (wipers, defrost, mirrors), Equipment. Revised Freightliner Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve Espar Heater Cool Down. This bulletin replaces the version dated 12/23/2020. Information has been added about ParkSmart units and the instructions have been streamlined.
• 10199420Mar 1, 2021Lane departure. Freightliner Action Bulletin FAB283 Bendix AutoVue
• 10199419Mar 1, 2021Equipment. Freightliner Action Bulletin FAB282 New Radios
• 10188212Feb 27, 2021Equipment, Electrical system, Engine cooling. Tech Talk discussion on Opti Idle P4 Cascadia Trouble-shooting is in the New Cascadia manual.
• 10187532Feb 25, 2021Equipment, Engine cooling. Freightliner Service Bulletin for Programming Chassis Electronic Control Units (ECUs) With DiagnosticLink.
• 10187835Feb 19, 2021Engine cooling. Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available. Current subscribers of DiagnosticLink 8.11 or 8.12 may upgrade to DiagnosticLink 8.13 at no cost. All DTNA Service shops & OEM locations are required to maintain the latest version of software on each of their stations.
• 10187833Feb 19, 2021Engine cooling. Revised Technical Service Letter for Cold Weather Faults on GHG17/21 DD13 with MCM Software Version 14. Due to colder weather, there may be an increase in the frequency of faults, noted below, on GHG17/21 DD13 trucks built after June 5th 2019. This is due to a calibration issue in the current MCM software (14.1.1.5 or 14.2.1.3). New software is scheduled for release in the first quarter of 2021 that will address…
• 10187844Feb 16, 2021Electrical system, Visibility (wipers, defrost, mirrors), Exterior lighting. Customer Maintenance Enhancements for the P4 Halogen Lamp replacement procedure.
• 10187524Feb 15, 2021Equipment. Superseding Letter to an Important Campaign Information Letter to announce a reimbursement available to dealers for travel to a customer's location to perform a recall or field service campaign. Potential travel reimbursement applies to DTNA truck dealers and Detroit Diesel distributors. Thomas Built Buses will be addressed separately. This letter supersedes ICI20-022R.

← All problems reported for the 2022 Freightliner Cascadia