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Vehicle recall 09V348000 · September 3, 2009

Peterbilt 335, Peterbilt 340 and 5 more models

The vehicles may be designed with a hard wired, dash-mounted switch that enables the vehicle operator to inhibit aftertreatment diesel particulate filter regeneration in…

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Paccar is recalling model year 2008-2010 kenworth T300, T270, and T370, model year 2009-2010 T800 and peterbilt model year 2008-2010 335, 340, and 367 vehicles built on cummins' diesel engine. The vehicles may be designed with a hard wired, dash-mounted switch that enables the vehicle operator to inhibit aftertreatment diesel particulate filter regeneration in environments where the operator believes it may be unsafe for elevated exhaust temperatures. Due to an issue with the logic in the ECM software in these engines, the switch may not function correctly, leading the operator to believe that the switch is in "inhibit" mode when it is not.
Consequence
This condition will permit hot exhaust gases to exit the vehicle tailpipe, increasing the risk of melting or burning of nearby surfaces, or a fire.
Remedy
Paccar is working with cummins to repair the engines free of charge please see 09E-046. The safety recall began on October 1, 2009. Owners may contact cummins at 1-800-diesels (1-800-343-7357).
Notes
Kenworth recall no. 09KW9 & peterbilt recall no. 909-d.owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to http://www.safercar.gov.

Recall details

NHTSA campaign
09V348000
Reported to NHTSA
September 3, 2009
Filed by
PACCAR INCORPORATED
Manufacturer campaign
09KW9 & 909-D
Owner notification
October 1, 2009
Vehicles potentially affected
135
Initiated by
the manufacturer
Components
Engine and engine cooling › Engine › Diesel
Recall 09V348000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Kenworth been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Kenworth dealer can also check your VIN. Recall repairs are free.