2018 Chevrolet Silverado 2500 problems & reliability
52 owner complaints filed with NHTSA for the 2018 Chevrolet Silverado 2500, alongside 5 safety recall campaigns. 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.
3 complaints report injuries (3 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 13 | 25% |
| Engine → | 12 | 23% |
| Fuel/propulsion System | 9 | 17% |
| Air Bags | 6 | 12% |
| Power Train | 6 | 12% |
| Unknown OR Other | 6 | 12% |
| Exterior Lighting | 4 | 8% |
| Equipment | 3 | 6% |
| Seat Belts | 2 | 4% |
| Tires | 2 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 26,300 miles (middle 50% between 10,105 and 50,000 miles), based on 22 complaints that included mileage.
Complaints by incident year
What owners report
“Vehicle displays airbag deployment codes, airbag sound was heard, airbag agent smell is present yet no airbags were deployed in the vehicle. Yes it is available for inspection on request, it will be inspected by insurance adjusters in the next week.”
Air Bags · filed Jul 11, 2026
“2018 Chevy Silverado 2500Diesel Duramax (63,000 miles & Garage kept) While pulling 37' camper on flat terrain, Push Rod bent and broke in half - violently shaking and missing; Engine was ruined. Engine light did not appear until after it started shaking. Luckily this happened before crossing over steep mountain where…”
Power Train · filed Jun 29, 2026
“Frontal driver airbag deployed spontaneously while vehicle was stopped at a stop sign. No collision or impact occurred. Deployment produced excessive smoke and heat. Minor burn to hand resulted from deployment.”
Air Bags · filed Jun 25, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
1,341 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2018 Chevrolet Silverado 2500. The 10 most recent:
This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
PIT5680B · Service Bulletin/Repair Instructions · issued Jul 23, 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
This Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should…
PIT5544J · Service Bulletin/Repair Instructions · issued Jun 24, 2026
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
PIT5509M · Service Bulletin/Repair Instructions · issued May 14, 2026
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIT3271Q · Service Bulletin/Repair Instructions · issued Apr 1, 2026
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIP6104 · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902V · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire…
PIT4506J · Service Bulletin/Repair Instructions · issued Feb 16, 2026
This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.
PIT6483 · Service Bulletin/Repair Instructions · issued Feb 5, 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 2018 Chevrolet Silverado 2500 has 5 NHTSA recall campaigns — 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 2018 Chevrolet Silverado 2500?
- · 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.
- · Owners most often reported problems around 26,300 miles — budget accordingly if the car is approaching that mileage.