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NHTSA recall · Reported September 3, 2009

KENWORTH,PETERBILT 2009-2010: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

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' D…

Recall #
09V348000
Verify with NHTSA →
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Kenworth,Peterbilt recalled PACCAR IS RECALLING MODEL YEAR 2008-2010 KENWORTH T300, T270, AND T370, MODEL YEAR 2009-2….

KENWORTH,PETERBILT 2009-2010: ENGINE AND ENGINE COOLING:ENGINE:DIESEL was recalled by Kenworth,Peterbilt in September 3, 2009. Reason: PACCAR IS RECALLING MODEL YEAR 2008-2010 KENWORTH T300, T270, AND T370, MODEL YEAR 2009-2010 T800 AND PETERBI…. Remedy: PACCAR IS WORKING WITH CUMMINS TO REPAIR THE ENGINES FREE OF CHARGE PLEASE SEE 09E-046. …. Verify recall #09V348000 with the NHTSA before acting.

The recall

Kenworth,Peterbilt issued this NHTSA recall-PACCAR IS RECALLING MODEL YEAR 2008-2010 KENWORTH T300, T270, AND T370, MODEL YEAR 2009-2010 T800 AND PETERBI….

None
agency class
September 3, 2009
reported

Sourced from official NHTSA enforcement records. Verify recall #09V348000 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

The number of affected units is not disclosed in the agency filing, which is common for drug and food recalls where lot-level tracking supersedes unit counts. Distribution scope (see Distribution below) directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.

Within the same product category the archive holds 6 closely related recalls, 3 from NHTSA - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Vehicles recalls over time

Where this recall sits in its category - 7,783 vehicles recalls on record

200300400500600 20052008201120142017202020232026 222

Product description

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.

Reason for recall

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.

Hazard

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, what to do

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).

Recall Profile

Structured summary of the NHTSA recall record
Attribute Value
Agency National Highway Traffic Safety Administration
Severity class Not classified by agency
Status Active
Recall number 09V348000
Date reported September 3, 2009
Date initiated September 3, 2009
Recalling firm Kenworth,Peterbilt
Affected scope Not disclosed
Distribution United States
Official source NHTSA notice →

Profile values are sourced directly from the official NHTSA enforcement record. Source: National Highway Traffic Safety Administration.

What to do with this recall

PACCAR IS WORKING WITH CUMMINS TO REPAIR THE ENGINES FREE OF CHARGE PLEASE SEE 09E-046. THE SAFETY RECALL BEGAN ON OCTOBER 1, 20…

  • Check the recall number (09V348000) and product description against the item you own. Search the archive
  • Confirm the current status and remedy on the official NHTSA notice before acting. NHTSA notice
  • Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official NHTSA record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was recalled?
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.. Recalled by Kenworth,Peterbilt.
Why was this product recalled?
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.
What should consumers do?
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).
Which agency issued this recall?
This recall was issued by the NHTSA on September 3, 2009. NHTSA does not publish a hazard classification for this recall. Recall number: 09V348000.
Where was the recalled product distributed?
Distribution: United States.
How do I report an injury from a recalled product?
Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.

Nationwide recalls with similar severity or category timing

Vehicle and equipment notices outside this manufacturer and filing state, matched by archive severity grade and report timing.

Compare this recall with KTM North America Recalls Off-Road Motorcycles Due to Risk … → · All Vehicles recalls

This recall: NHTSA, reported September 3, 2009. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026