Severity
Critical
NHTSA recall · Reported July 21, 2011
PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES MANUFACTURED FROM APRIL 19, 2010, THROUGH MAY 13, 2011, AND MODEL YEAR 2008, 2010, AND 2011…
Kenworth,Peterbilt recalled PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES M… - a critical-severity action.
KENWORTH,PETERBILT 2008-2012: ELECTRICAL SYSTEM:SOFTWARE was recalled by Kenworth,Peterbilt in July 21, 2011. Reason: PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES MANUFACTURED FROM APR…. Remedy: KENWORTH AND PETERBILT DEALERS WILL UPDATE THE ENGINE SOFTWARE FOR THE AFFECTED CHASSIS. …. Verify recall #11V380000 with the NHTSA before acting.
The recall
Kenworth,Peterbilt issued this critical-severity NHTSA recall-PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES MANUFACTURED FROM APR….
Sourced from official NHTSA enforcement records. Verify recall #11V380000 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
This NHTSA action (record #11V380000) was formally reported on July 21, 2011. It is classified under Critical severity, with a current status of Active. Kenworth,Peterbilt is listed as the recalling firm. 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.
The documented reason for this recall is: PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES MANUFACTURED FROM APRIL 19, 2010, THROUGH MAY 13, 2011, AND MODEL YEAR 2008, 2010, AND 2011 PETERBILT 365, 367, 384, 386, 387, 388 … The specific hazard cited in the filing is: IF THE FAST IDLE CONTROL FUNCTION IS ENGAGED WITH THE TRANSMISSION IN GEAR, THE VEHICLE COULD UNEXPECTEDLY ACCELERATE AND OVERRIDE THE PARKING BRAKE AND , CREATING A RISK OF A CRASH AND DAMAGE TO OT…. Distribution data in the federal record shows the product reached: United States. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. The remedy documented by the agency is: KENWORTH AND PETERBILT DEALERS WILL UPDATE THE ENGINE SOFTWARE FOR THE AFFECTED CHASSIS. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON AUGUST 22, 2011. OWNERS MAY CONTA… - consumers holding this product should act on that instruction rather than relying on general guidance.
Within the same product category the archive holds 6 closely related recalls - 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.
Where this recall sits in its category - 7,642 vehicles recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified high severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Severity
Critical
Affected scope
Unknown
Related Recalls
6
0 from same agency
PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES MANUFACTURED FROM APRIL 19, 2010, THROUGH MAY 13, 2011, AND MODEL YEAR 2008, 2010, AND 2011 PETERBILT 365, 367, 384, 386, 387, 388 AND 587 VEHICLES MANUFACTURED FROM APRIL 20, 2010, THROUGH JUNE 11, 2011, AND EQUIPPED WITH PACCAR MX ENGINES AND EATON ULTRASHIFT DM OR ALLISON AUTOMATIC TRANSMISSIONS (WITHOUT AUTO-NEUTRAL). THE FAST IDLE CONTROL MAY BE ACTIVATED BY THE OPERATOR WHILE THE TRANSMISSION IS IN GEAR.
PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES MANUFACTURED FROM APRIL 19, 2010, THROUGH MAY 13, 2011, AND MODEL YEAR 2008, 2010, AND 2011 PETERBILT 365, 367, 384, 386, 387, 388 AND 587 VEHICLES MANUFACTURED FROM APRIL 20, 2010, THROUGH JUNE 11, 2011, AND EQUIPPED WITH PACCAR MX ENGINES AND EATON ULTRASHIFT DM OR ALLISON AUTOMATIC TRANSMISSIONS (WITHOUT AUTO-NEUTRAL). THE FAST IDLE CONTROL MAY BE ACTIVATED BY THE OPERATOR WHILE THE TRANSMISSION IS IN GEAR.
IF THE FAST IDLE CONTROL FUNCTION IS ENGAGED WITH THE TRANSMISSION IN GEAR, THE VEHICLE COULD UNEXPECTEDLY ACCELERATE AND OVERRIDE THE PARKING BRAKE AND , CREATING A RISK OF A CRASH AND DAMAGE TO OTHER VEHICLES OR PROPERTY AND THE POTENTIAL FOR INJURY TO NEARBY PEDESTRIANS.
KENWORTH AND PETERBILT DEALERS WILL UPDATE THE ENGINE SOFTWARE FOR THE AFFECTED CHASSIS. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON AUGUST 22, 2011. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.
| Attribute | Value |
|---|---|
| Agency | National Highway Traffic Safety Administration |
| Severity class | Critical |
| Status | Active |
| Recall number | 11V380000 |
| Date reported | July 21, 2011 |
| Date initiated | July 21, 2011 |
| 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
KENWORTH AND PETERBILT DEALERS WILL UPDATE THE ENGINE SOFTWARE FOR THE AFFECTED CHASSIS. THIS SERVICE WILL BE PERFORMED FREE OF …
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.
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Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: NHTSA, reported July 21, 2011. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.