2025 Chevrolet Suburban 1500 problems & reliability
27 owner complaints filed with NHTSA for the 2025 Chevrolet Suburban 1500, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 13 | 48% |
| Electrical System | 5 | 19% |
| Power Train | 5 | 19% |
| Unknown OR Other | 3 | 11% |
| Exterior Lighting | 2 | 7% |
| Forward Collision Avoidance | 2 | 7% |
| Vehicle Speed Control | 2 | 7% |
| Visibility/wiper | 2 | 7% |
| Engine and Engine Cooling | 1 | 4% |
| Service Brakes | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
What owners report
“3.0 Duramax engine failure at 5900 miles. Apparently is from the known thrust bearing issue. MIL, CEL, TCM illuminated. Failure occurred at 60 mph during rush hour traffic. Engine is being replaced under warranty. GM should issue recall for the affected lot of this engine.”
Engine · filed May 18, 2026
“3.0 Duramax, thrust bearing engine failure. Less than 6000 miles on vehicle. Driving at 60 mph when vehicle went into major limp mode. Had TCM, Charging and coolant lights illuminate. GM is replacing engine under warranty. Indicated there was approximately a 2 week engine production window where this issue is being…”
Engine · filed May 17, 2026
“2025 CHEVROLET SUBURBAN HIGH COUNTRY. Vehicle is parked in my garage. Went out in the AM and the engine only cranks, will not start. Called On Star for roadside assistance. Sent a tow truck, the vehicle could not be towed due to the electronic transmission. There is no way for an owner to place the transmission in…”
Electrical System · filed Apr 20, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
410 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2025 Chevrolet Suburban 1500. The 10 most recent:
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIT6110K · Service Bulletin/Repair Instructions · issued Jul 28, 2026
This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration/ from the passenger side when the vehicle is under light load, with a 3.0L LZ0 Engine. It also addresses the…
PIT6300C · Service Bulletin/Repair Instructions · issued Jul 24, 2026
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
PIT6446A · Service Bulletin/Repair Instructions · issued Jul 24, 2026
PI to help diagnose A/C concern
PIT5099J · Service Bulletin/Repair Instructions · issued Jul 21, 2026
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
PIT5509N · Service Bulletin/Repair Instructions · issued Jul 21, 2026
• Surround Vision Recorder, a new feature that allows you to record, watch, and save video from your vehicle's cameras. • Security Recording, a new feature that can automatically begin recording if your vehicle's alarm…
663.10 · Over The Air · issued Jul 16, 2026
• Updates to reduce unnecessary service messages in the driver display
662.30 · Over The Air · issued Jul 16, 2026
• Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.
663.20 · Over The Air · issued Jul 16, 2026
This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models…
PIT6288J · Service Bulletin/Repair Instructions · issued Jun 29, 2026
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.
PIT6476C · Service Bulletin/Repair Instructions · issued Jun 29, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2025 Chevrolet Suburban 1500 has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2025 Chevrolet Suburban 1500?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.