GM bulletin PIE0798
What it saysThis engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to on the Upper and/or Lower Steering Column Trim Cover… NHTSA’s full summary ↓
GM filed this with NHTSA as a service bulletin dated Aug 8, 2024, received Sep 3, 2024, about the steering. It names 4 model years across Chevrolet, GMC and Cadillac (2024). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
One page for every brand it was filed under. Each brand’s bulletins: Chevrolet · GMC · Cadillac.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to on the Upper and/or Lower Steering Column Trim Cover contacting Steering Wheel.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| PIE0798 | Service bulletin | Aug 8, 2024 | 11006804 | PDF, 148 KB |
What the document itself lists
Labour operation and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 1086868 | Engineering Information - (EI Lite) - (Pictures Only) Upper and/or Lower Steering… | 0.3 hrs |
Read by machine from the document NHTSA serves (2 pages), read Sep 30, 2026. A part number is shown only where it matches GM’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
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The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themChevrolet 2 model years
GMC 1 model year
Cadillac 1 model year
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 4 model years this bulletin names have filed 369 complaints with NHTSA since 2015.
While driving at approximately 25-30 MPH the steering system locked up for a 2-3 second period not allowing the driver to maintain the desired direction of vehicle movement. The first incident occurred while navigating a turn in the road, the second occurred while turning left at an intersection.
2024 Chevrolet Tahoe · Steering · filed with NHTSA Apr 25, 2025 · ODI 11656853
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the steering
Source: same model, same component group16 other manufacturer communications filed against these GM models under the same component group (steering), newest first. The eight newest are listed; the rest are on the Chevrolet list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| N252528020 | Service campaign | Nov 18, 2025 | Certain vehicles may have a condition in which the Upper Intermediate Steering Shaft Bolt is below torque specification. Dealers will torque… |
| 25-NA-116 | Service bulletin | May 10, 2025 | This service bulletin provides information and the condition correction on the "Service Steering Column Lock" message and/or those who are u… |
| PI0281L | Service bulletin | Apr 17, 2025 | This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody comp… |
| 25-NA-065 | Service bulletin | Mar 21, 2025 | This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis. |
| 16-NA-109 | Service bulletin | Feb 18, 2025 | This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grea… |
| N242478260 | Service campaign | Nov 25, 2024 | Service Update. Certain vehicles may have a condition in which the steering gear motor bolts may be loose on steering gear assemblies. Deal… |
| PIE0798A | Service bulletin | Oct 14, 2024 | This engineering information (EI) ends the need for gathering further information from technicians in regard to on the Upper and/or Lower St… |
| 24-NA-203 | Service bulletin | Sep 19, 2024 | This service bulletin provides repair information to correct a customer concern of Steering Wheel Oscillation in Super Cruise Mode. |

Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Chevrolet, GMC and Cadillac, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is GM PIE0798 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the PIE0798 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every GM warranty extension on file lists the ones GM has filed.
Which vehicles does PIE0798 cover?
The manufacturer filed it against 4 model years across 3 brands (Chevrolet, GMC and Cadillac): 2024 Cadillac Escalade, 2024 Chevrolet Suburban, 2024 Chevrolet Tahoe, 2024 GMC Yukon. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.