repaired · 2026 Q2
Supply: reservoir/tank
Risk. Insufficient air volume can reduce braking performance and increase the risk of a crash.
2012 Kenworth T660Problems, recalls & complaints
NHTSA has logged 1 owner complaint about the 2012 Kenworth T660, most often about the engine. It is covered by 9 safety recalls, and for recall 24V-145 the manufacturer reports only 24% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through February 23, 2024. Updated daily.
Complaints by system
Where the 2012 Kenworth T660 has problems
1 complaint grouped by the system owners reported.
1Engine
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
9 recalls
2012 Kenworth T660 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2022 Q1
Electronic stability control (ESC)
Risk. If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
repaired · 2016 Q4
Exterior lighting: hazard flashing warning lights
Risk. If the hazard warning lamps are overridden by the DRL, oncoming vehicles may fail to be warned, increasing the risk of a crash.
repaired · 2016 Q4
Windshield wiper/washer: motor
Risk. As water leaks in, the wiper may cease to function on the 'intermittent' setting, reducing the driver's visibility and increasing the risk of a crash.
Show 5 more recalls
no report yet
Supply: check valve
Risk. UNEXPECTED CONTINUOUS BRAKE APPLICATION CAN CAUSE THE BRAKES TO OVERHEAT AND LEAD TO A FIRE.
no report yet
Electrical system: software
Risk. IF THE FAST IDLE CONTROL FUNCTION IS ENGAGED WITH THE TRANSMISSION IN GEAR, THE VEHICLE COULD UNEXPECTEDLY ACCELERATE AND OVERRIDE THE PARKING BRAKE AND,…
no report yet
Hood: latch
Risk. A NON-OPERATIONAL SAFETY LATCH MAY NOT BE DETECTED BY AN OPERATOR AND THE HOOD MAY UNEXPECTEDLY CLOSE, INCREASING THE RISK OF PERSONAL INJURY.
no report yet
Service brakes, air: slack adjusters
Risk. IF THE SLACK ADJUSTER HOUSING WERE TO FRACTURE, THE WHEEL BRAKE TO WHICH THE SLACK ADJUSTER HOUSING IS ATTACHED WOULD NO LONGER FUNCTION, WHICH COULD INCREASE…
no report yet
Storage: tank assembly
Risk. THE DISCHARGE OF ENGINE OIL ONTO EXHAUST COMPONENTS WHICH ARE HOT, SUCH AS WHEN THE ENGINE IS UNDER SIGNIFICANT LOAD, MAY CAUSE A FIRE.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Kenworth.
Best & worst years
2012 vs. every other T660 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the T660 median. How we score
'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What T660 owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
CUMMINS ENGINE HAS NOT COME FORWARD AND ANNOUNCE ON THEIR IS 15 LITERS THAT THERE ARE HAVING RINGS AND SLEEVES ISSUES. WHICH CAUSE THE ENGINE TO BURN OIL FAILING OUR DIESEL PARTICULAR FILTER WHICH COULD CAUSE A FIRE. THE EXIST DUE A DESIGNEE FAULT IN THE PISTONS OF THE ENGINES. RINGS ARE PACKING…
Own a 2012 T660?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.