Cooper Discoverer H/T, Cooper Discoverer Lsx, Cooper Mastercraft Courser Htr, Del-Nat Delta A/S Sierradial, Del-Nat National A/S Commando, Pep Boys Definity Dakota H/T, model year 9999. Filed by Cooper Tire & Rubber Co. and reported to NHTSA on 8 June 2012. 10,236 vehicles potentially affected.
What the notice says Cooper tire & rubber company (cooper) is recalling certain cooper brand discoverer h/t tires, sizes lt235/85r16 and p265/70r17; discoverer lsx, size 265/70r17; and mastercraft courser htr, size lt235/85r16. also included in this recall are tires branded as del-nat delta a/s sierradial or national a/s commando, size …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Cooper's own number for this recall: 156. That is the number on the owner letter and on the dealer paperwork. 12T010 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 12T010 cover?
- Cooper Discoverer H/T, Cooper Discoverer LSX, Cooper Mastercraft Courser HTR, Del-Nat Delta A/S Sierradial, Del-Nat National A/S Commando, Pep Boys Definity Dakota H/T, TBC Sigma Stampede Radial SUV.
- What is wrong with them?
- COOPER TIRE & RUBBER COMPANY (COOPER) IS RECALLING CERTAIN COOPER BRAND DISCOVERER H/T TIRES, SIZES LT235/85R16 AND P265/70R17; DISCOVERER LSX, SIZE 265/70R17; AND MASTERCRAFT COURSER HTR, SIZE LT235/85R16.
- What can happen if it is not put right?
- TREAD SEPARATION CAN RESULT IN LOSS OF VEHICLE CONTROL, INCREASING THE RISK OF A VEHICLE CRASH.
- Is there a fix yet?
- Yes, and it is free. COOPER WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE TIRES FREE OF CHARGE. FREE MOUNTING AND BALANCING WILL ALSO BE INCLUDED, AS APPLICABLE. THE RECALL BEGAN ON JUNE 15, 2012. OWNERS MAY CONTACT COOPER TIRE & RUBBER COMPANYS CONSUMER RELATIONS DEPARTMENT AT 1-800-854-6288.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Cooper calls this recall 156, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “TREAD SEPARATION CAN RESULT IN LOSS OF VEHICLE CONTROL, INCREASING THE RISK OF A VEHICLE CRASH.”
affected
in the notice
caught
| Campaign | 12T010 |
|---|---|
| Filed by | COOPER TIRE & RUBBER CO. |
| System at fault | Tires:Tread/Belt |
| Reported to NHTSA | 8 June 2012 |
| Model years | 9999-9999 |
| Vehicles named | COOPER DISCOVERER H/T, COOPER DISCOVERER LSX, COOPER MASTERCRAFT COURSER HTR, DEL-NAT DELTA A/S SIERRADIAL, DEL-NAT NATIONAL A/S COMMANDO, PEP BOYS DEFINITY DAKOTA H/T, TBC SIGMA STAMPEDE RADIAL SUV |
What the notice says today
The consequence
TREAD SEPARATION CAN RESULT IN LOSS OF VEHICLE CONTROL, INCREASING THE RISK OF A VEHICLE CRASH.
The remedy
COOPER WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE TIRES FREE OF CHARGE. FREE MOUNTING AND BALANCING WILL ALSO BE INCLUDED, AS APPLICABLE. THE RECALL BEGAN ON JUNE 15, 2012. OWNERS MAY CONTACT COOPER TIRE & RUBBER COMPANYS CONSUMER RELATIONS DEPARTMENT AT 1-800-854-6288.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 455 notices in the record whose component field names tires. Across that group the median wait before owners were written to was 34 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 12T010, wording as read on 17 September 2026. https://carsmultiverse.com/recall/12t010/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Cooper notices we hold
- 16T003: Roadmaster RM234 tires, size 295/75R22
- 15T022: Cooper Zeon LTZ tires size 275/55R20 XL Extra Load tubeless tires manufactured September 1, 2015, to September 14, 2015
- 14T008: Wild Country Radial XTX Sport 265/65R18 tires manufactured June 1, 2014 to June 28, 2014
- 12T008: DISCOVERER H/T TIRES, SIZE LT245/75R16, MANUFACTURED FROM FEBRUARY 12, 2012, THROUGH MARCH 10, 2012
All 5 Cooper campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 12T010 on 23 August 2026, they were:
- Defect summary
cd996bc6 - Consequence
4eb3dbe8 - Remedy
1096af95
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 12T010 · how the whole register is watched
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Owners of these cars
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