ENGINE AND ENGINE COOLING:ENGINE:DIESELCUMMINS WESTPORT B GAS PLUS OR C GAS PLUS 6 CYLINDER ENGINES BUILT FROM JUNE 2001 THROUGH MARCH 2003. THE ELECTRONIC CONTROL MODULE CALIBRATION MAY NOT CORRECTLY DETECT A THROTTLE PLATE ACTUATOR FAILURE THAT COULD RESULT IN AN UNCOMMANDED OPEN THROTTLE CONDITION.
Cummins Recalls, Complaints & Safety Data
NHTSA safety recalls, owner-reported complaints and investigations, by model and model year · 1988–2003
Data refreshed
Overview
Our database holds 7 NHTSA owner-reported complaints filed against Cummins vehicles. Our database also holds 5 safety recall campaigns and 3 NHTSA investigations covering at least one Cummins model year.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Cummins models
Ordered by total owner-reported complaint volume, which is not a ranking of quality
| Model | Model years | Complaints | Recalls |
|---|---|---|---|
| Diesel Engine | 1991 | 4 | 1 |
| 6 Cta Engine | 1988–1991 | 1 | 0 |
| C Gas Plus Engine | 2001–2003 | 1 | 1 |
| Cummins | 1995 | 1 | 0 |
| B Gas Plus Engine | 2001–2003 | 0 | 1 |
| C Series | 1988 | 0 | 1 |
| Isb 6 Cylinder | 1998–2002 | 0 | 2 |
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers. Complaint totals count a report once for each model year it names; recall totals count a campaign once per model.
Recently issued recalls
The 5 newest campaigns covering a Cummins vehicle in our database
Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.
Check a VIN on NHTSA.govENGINE AND ENGINE COOLING:ENGINETHE ISB 4 CYLINDER CRANKSHAFT VIBRATION DAMPERS INSTALLED FOR USE ON CHASSIS MANUFACTURED BY WORKHORSE AND FREIGHTLINER CUSTOM CHASSIS. THE AFFECTED ENGINES WERE BUILT FROM OCTOBER 2000 THROUGH JULY 2001, AND HAVE AN ENGINE SERIAL NUMBER WITHIN THE RANGE OF 21436401 TO 21478129. THE CRANKSHAFT VIBRATION DAMPERS WERE DESIGNED INCORRECTLY AND CAN LEAD TO CRACKS DEVELOPING IN THE HUB, CAUSING THE PART TO BECOME LOOSE AND POSSIBLY DETACH ITSELF FROM THE ENGINE.
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATORCUMMINS ISB 6 CYLINDER ENGINES BUILT FROM MARCH 1998 THROUGH FEBRUARY 1999, AND HAVE AN ENGINE SERIAL NUMBER WITHIN THE RANGE OF 45480143 TO 45818756 OR 56436052 TO 56561539. THE LOWER ALTERNATOR SUPPORT BRACE OR MOUNTING HARDWARE CAN LOOSEN OR BREAK WHICH WILL ALLOW THE ALTERNATOR TO DROP ONTO THE ENGINE.
VEHICLE SPEED CONTROLTHE FAILURE OF A PIN IN THE INTERNAL GOVERNOR LINKAGE RESULTS IN LOSS OF ENGINE SPEED CONTROL. THE THROTTLE CONTROL AND THE GOVERNED SPEED ARE LOST WHEN THIS PIN SEPARATES.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMPFUEL PUMPS MAY HAVE A LOOSE RACK FASTENER THAT COULD ALLOW THE BOLT TO COME OUT OF THE RACK.
Browse by model year
Every year with at least one publishable Cummins model year
Data sources
- NHTSA Office of Defects Investigation — complaints, recalls, investigations and manufacturer communications
Data on this page last refreshed .