NHTSA Campaign 09V348000

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Issued by PACCAR INCORPORATED · Reported Sep 3, 2009 · 135 vehicles affected

What's wrong

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).

Vehicles affected by this recall

Make Model Year Units
KENWORTH T270 2008 135
KENWORTH T270 2009 135
KENWORTH T270 2010 135
KENWORTH T300 2008 135
KENWORTH T300 2009 135
KENWORTH T300 2010 135
KENWORTH T370 2008 135
KENWORTH T370 2009 135
KENWORTH T370 2010 135
KENWORTH T800 2009 135
KENWORTH T800 2010 135
PETERBILT 335 2008 135
PETERBILT 335 2009 135
PETERBILT 335 2010 135
PETERBILT 340 2008 135
PETERBILT 340 2009 135
PETERBILT 340 2010 135
PETERBILT 367 2008 135
PETERBILT 367 2009 135
PETERBILT 367 2010 135

Source: NHTSA Campaign 09V348000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.