2013 Kenworth T680, 2013 Peterbilt 579 Recall: Service Brakes, Air

NHTSA campaign 12V214000 · Service Brakes, Air · filed May 16, 2012 · verified Jul 30, 2026

Units reported

Manufacturer

PACCAR INCORPORATED

Risk

Crash / injury

Owner letters

Mailing began Jun 26, 2012

The defect

PACCAR IS RECALLING CERTAIN MODEL YEAR 2013 KENWORTH T680, AND PETERBILT 579 VEHICLES, FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD (FMVSS) NO. 121, "AIR BRAKE SYSTEMS." THESE VEHICLES EXCEED THE BRAKE TIMING TEST REQUIREMENTS OF FMVSS 121 FOR TRAILER CIRCUITS WHEN 15 FOOT COILED TRAILER LINES ARE USED.

The risk

THE LONGER BRAKE APPLY TIME MAY RESULT IN EXTENDED STOPPING DISTANCES, INCREASING THE RISK OF A CRASH.

Check whether your specific vehicle is affected

Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.

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The fix — what to do

PACCAR WILL NOTIFY OWNERS AND INSTALL A RELAY VALVE ON THE AFFECTED VEHICLES. ALL THE VEHICLES HAVE BEEN REPAIRED. OWNER MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.

KENWORTH S RECALL NUMBER IS 12KWB.PETERBILT S RECALL NUMBER IS 0512-A.CUSTOMERS MAY 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.

Affected vehicles

Make	Model	Model years
Kenworth	T680	2013
Peterbilt	579	2013

Related recalls

More Kenworth T680 recalls

Other campaigns involving Kenworth vehicles

All Kenworth T680 recalls → · All Kenworth recalls →

Source: NHTSA recall database, campaign 12V214000 (manufacturer number 12KWB/0512-A). Data last verified Jul 30, 2026.