ClaimRight · Warranty Denial Guides

Cadillac Ats warranty claim denied?

2,569 manufacturer communications on file 2013–2019 model years covered

A warranty claim denial can feel final, but it often isn't. For the Cadillac ATS (2013–2019), General Motors has filed 2,569 technical communications with NHTSA covering this model — bulletins addressing wiring harness repairs, valve, lifter, and camshaft diagnostics, transmission fluid contamination, and software updates for systems like the Tire Pressure Monitor. None of these 2,569 communications are formal warranty extensions or service campaigns, which means GM has not proactively extended coverage for these documented issues — leaving many owners to advocate individually when a dealer denies a claim.

Dealer denials are sometimes based on incomplete diagnostics, missing documentation, or a narrow reading of coverage terms, not on the full technical record. When a known issue is referenced in a manufacturer bulletin, that documentation can be relevant to reassessing a denied claim.

ClaimRight reviews your denial letter, repair history, and the bulletins relevant to your vehicle to identify whether your situation may warrant a second look. The assessment is free, and there's no cost unless your claim is successfully resolved. You'll walk away knowing your documented options either way.

Free 2-minute assessment — is your denial worth fighting? →

What Cadillac has documented for the Ats

Filed with NHTSA by the manufacturer. Warranty extensions are the strongest signal — the manufacturer acknowledging a defect and extending coverage for it.

2024-12-07 · PIT5074Q
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The...
Official NHTSA document →
2024-12-06 · PIT5962B
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
Official NHTSA document →
2024-12-04 · PIT6261
This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
Official NHTSA document →
2024-11-27 · 08-07-30-035I
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
Official NHTSA document →
2024-11-22 · 19-NA-219
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
Official NHTSA document →
2024-11-05 · 21-NA-043
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
Official NHTSA document →
2024-10-28 · 04-06-01-029K
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
Official NHTSA document →
2024-10-25 · PIP4723J
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi...
Official NHTSA document →
2024-10-25 · PIT5698E
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
Official NHTSA document →
2024-10-18 · PIT5569C
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC. 
Official NHTSA document →
2024-10-16 · PIP6015
This Preliminary information communicates to the dealer a process for accessing the procedure to add attachments to a GM technical assistance case using the dealer case management...
Official NHTSA document →
2024-10-11 · 24-NA-040
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should...
Official NHTSA document →
2024-10-10 · PIP6014
This Preliminary information communicates for Technicians installing a Service Replacement Transmission Assembly to contact Technical Assistance to make sure unit is not suspect of...
Official NHTSA document →
2024-10-09 · 10-00-89-009F
This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
Official NHTSA document →
2024-10-09 · 17-NA-239
This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
Official NHTSA document →
2024-10-08 · 16-NA-003
This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle.
Official NHTSA document →
2024-10-08 · 16-NA-059
This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
Official NHTSA document →
2024-10-05 · 01-06-01-011Q
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
Official NHTSA document →
2024-10-05 · 22-NA-244
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
Official NHTSA document →
2024-10-04 · PIP5621E
This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. T...
Official NHTSA document →
2024-10-03 · 20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
Official NHTSA document →
2024-10-03 · 99-00-89-019Z
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
Official NHTSA document →
2024-10-02 · 07-00-89-037T
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
Official NHTSA document →
2024-10-02 · 23-NA-154
This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
Official NHTSA document →
2024-10-01 · PIT5551P
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting....
Official NHTSA document →

Common questions

Why would a dealer deny a warranty claim on a Cadillac ATS?
Dealers may deny claims for several reasons, including a determination that the issue falls outside coverage terms, insufficient diagnostic documentation, or disagreement about whether a repair relates to a manufacturing defect versus wear and use. Denials are based on the dealer's or manufacturer's interpretation of the claim at that time, which is not always the final word, especially when technical bulletins document a similar known issue.
Can a denied Cadillac ATS warranty claim be reversed?
Denials are sometimes reconsidered when additional documentation is presented, such as repair records, diagnostic reports, or manufacturer technical bulletins describing a comparable issue. Whether a specific denial can be reversed depends on the vehicle's history and the details of the original claim. A review of your paperwork and the applicable bulletins can help clarify whether requesting a reassessment is a reasonable next step.
What documentation helps when challenging a warranty denial?
Useful documentation typically includes the original denial letter, service records, repair invoices, and any manufacturer bulletins referencing a similar issue on your model. Photos or descriptions of the problem and communication with the dealer can also support a reassessment request. Organizing this material clearly makes it easier for a service advisor or reviewer to reconsider the original decision.
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ClaimRight is a consumer advocacy and document-preparation service. We are not a law firm, do not provide legal advice, and make no promises about the outcome of any individual claim. Bulletin data is sourced from public NHTSA filings and refreshed weekly. All vehicle guides