# Service bulletins for the 2020 Freightliner Cascadia

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.

661 bulletins from NHTSA, as of 2026-10-19.

- [TEM\-11\-00001](/bulletins/11035536.md), 2026-08-03, Other: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: WARNINGS. Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment
- [CXA 06\_26\_Utility Lamp](/bulletins/11034519.md), 2026-07-06, Other: EXTERIOR LIGHTING. CX Advocate for Utility Lamp water intrusion
- [TSB\-26\-057\-FTL](/bulletins/11033103.md), 2026-06-01, Service bulletin: POWER TRAIN. Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
- [CXA 04\_26\_Side Guard](/bulletins/11031981.md), 2026-05-02, Other: LANE DEPARTURE: BLIND SPOT DETECTION. CX Advocate for P4 Side Guard Assist On/Off Menus and Trailer Functionality \(TSB\-54\-381\-FTL\)
- [MyCom\_02062026\-1](/bulletins/11029512.md), 2026-03-04, Other: FUEL/PROPULSION SYSTEM. My Communications for update on UFU R61709 Fuel Filters
- [TSB\-26\-055\-FTL](/bulletins/11028073.md), 2026-02-03, Service bulletin: POWER TRAIN. Revised Technical Service Bulletin for DT12 Excessive Wear
- [TSB\-26\-055\-FTL](/bulletins/11028063.md), 2026-02-03, Service bulletin: POWER TRAIN. Technical Service Bulletin for DT12 Excessive Wear
- [TSB\-26\-052\-FTL](/bulletins/11028062.md), 2026-02-03, Service bulletin: POWER TRAIN. Technical Service Bulletin for DT12 PTO Upfit
- [TSB\-00\-046\-FTL](/bulletins/11028061.md), 2026-02-03, Service bulletin: UNKNOWN OR OTHER. Technical Service Bulletin for Cascadia Generations
- [FleetCom\_Pwr Steer Res](/bulletins/11027503.md), 2026-01-08, Other: STEERING. Fleet Communications for Power Steering Resevoir \- NTF Replacements
- [FleetCom\_Passive Lube](/bulletins/11027502.md), 2026-01-08, Other: POWER TRAIN. Fleet Communications for Detroit Axle NFD ALM to Passive Lube Management
- [FleetCom\_Oil Plug Loc](/bulletins/11027500.md), 2026-01-08, Other: POWER TRAIN. Fleet Communications for NFD Lower Oil Plug Location \- SP Axles
- [FleetCom\_NFD Axle](/bulletins/11027497.md), 2026-01-08, Other: POWER TRAIN. Fleet Communications for Detroit NFD Axle \- Factory Fluid Change
- [FleetCom\_Heater Core](/bulletins/11027493.md), 2026-01-08, Other: ENGINE. Fleet Communications for Heater Core Plugging
- [FleetCom\_SS 3174\-FTL](/bulletins/11026469.md), 2025-12-06, Other: ELECTRICAL SYSTEM. Fleet Communication for SS 3174\-FTL
- [FleetCom\_AMP Draw](/bulletins/11026454.md), 2025-12-06, Other: ELECTRICAL SYSTEM. Fleet Communications for Key off amp draw
- [FleetCom\_SS 3163\-FTL](/bulletins/11026453.md), 2025-12-06, Other: ENGINE. Fleet Communications for Power Steering Reservoir Fill Cap Venting
- [FleetCom\_Low Coolant](/bulletins/11026421.md), 2025-12-05, Other: ENGINE. Fleet Communications for Low Coolant Sensor
- [FleetCom\_Bosch Steer Gear](/bulletins/11026420.md), 2025-12-05, Other: STEERING. Fleet communications for Bosch Steering Gear Replacements
- [CXA 10\_25\_Air Dryer Purge](/bulletins/11025094.md), 2025-11-06, Other: SERVICE BRAKES. CX Advocate for Experiencing Excessive Purging from Air Dryer
- [MYCOM\_10302025\-1](/bulletins/11024979.md), 2025-11-05, Other: FUEL/PROPULSION SYSTEM. My Communications for Update to DTNA parts on UFU R61709
- [FAB344](/bulletins/11024978.md), 2025-11-05, Other: FORWARD COLLISION AVOIDANCE: WARNINGS; LANE DEPARTURE: ASSIST; LANE DEPARTURE: WARNING. Features and Benefits for SafetyDirect 5.1
- [SS3076\-FTL](/bulletins/11024972.md), 2025-11-05, Other: VISIBILITY/WIPER. Service Solution for P4 Main Mirror Arm Covers Loose \- Falling Off
- [CXA\_10\_25\_Low Coolant](/bulletins/11024962.md), 2025-11-05, Other: ENGINE. CX Advocate for P4, WST X\-Series, DD Engines Low/Critical Low Coolant Warnings
- [CXA\_10\_25\_Conmet Oil Pan](/bulletins/11024958.md), 2025-11-05, Other: ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Issues

More: [the next page](/v1/vehicles/2020_freightliner_cascadia/bulletins?cursor=2025-11-05_11024958) (JSON)

JSON: [/v1/vehicles/2020_freightliner_cascadia/bulletins](/v1/vehicles/2020_freightliner_cascadia/bulletins)

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