# Other CXA 03\_26\_DPF Ash

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: Other
- NHTSA id: 11030504
- Published by NHTSA: 2026\-04\-02
- Manufacturer's number: CXA 03\_26\_DPF Ash
- Manufacturer's date: 2026\-03\-19
- NHTSA component: ENGINE

## NHTSA's summary

CX Advocate for Gen 5 521133/13 DPF Ash Mileage Mismatch

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030504-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030504-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2025 FREIGHTLINER CASCADIA

## Other bulletins for the same vehicles and component

- [CXA 07\_25\_F1011,F1015 Lbl](/bulletins/11035715.md), 2026-08-05, Other: ENGINE. CX Advocate for Lost/Damaged Replacement F1011/F1015 Labels
- [CXA 03\_26\_Surge Tank](/bulletins/11030507.md), 2026-04-02, Other: ENGINE. CX Advocate for discolored coolant surge tanks \(24CSA\-20\)
- [CXA 03\_26\_SSR](/bulletins/11030506.md), 2026-04-02, Other: ENGINE. CX Advocate for error generates when SSR is moved into an engine brake position 1,2,3 \(TSB\-26\-058\-FTL, TSB\-26\-009\-WST\)
- [TitanX Extension](/bulletins/11029510.md), 2026-03-04, Warranty extension: ENGINE. Standard Warranty Extension for vehicles with TitanX Radiators
- [FleetCom\_Heater Core](/bulletins/11027493.md), 2026-01-08, Other: ENGINE. Fleet Communications for Heater Core Plugging
- [FleetCom\_DPF Ash](/bulletins/11027216.md), 2026-01-07, Other: ENGINE. Fleet Communications for Gen 5 521133/13 DPF Ash Mileage Mismatch
- [TSB54\-377\-FTL](/bulletins/11027199.md), 2026-01-07, Service bulletin: ENGINE. Technical Service Bulletin Low Coolant Sensor
- [FleetCom\_SS 3163\-FTL](/bulletins/11026453.md), 2025-12-06, Other: ENGINE. Fleet Communications for Power Steering Reservoir Fill Cap Venting
- [FleetCom\_DPF Ash](/bulletins/11026428.md), 2025-12-05, Other: ENGINE. Fleet Communications for DPF Ash Mileage Mismatch
- [FleetCom\_Low Coolant](/bulletins/11026421.md), 2025-12-05, Other: ENGINE. Fleet Communications for Low Coolant Sensor

JSON: [/v1/bulletins/11030504](/v1/bulletins/11030504)

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