2018 Chevrolet Silverado 3500 problems & reliability
19 owner complaints filed with NHTSA for the 2018 Chevrolet Silverado 3500, alongside 6 safety recall campaigns. Last verified Sep 11, 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 components.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine | 6 | 32% |
| Electrical System | 3 | 16% |
| Fuel System, Diesel | 3 | 16% |
| Equipment | 2 | 11% |
| Fuel/propulsion System | 2 | 11% |
| Power Train | 2 | 11% |
| Steering | 2 | 11% |
| Structure | 2 | 11% |
| Unknown / Other | 2 | 11% |
| Engine and Engine Cooling | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 13 reported components →Complaints by incident year
What owners report
“The high pressure fuel pump failed and sent metal particles throught the fuel system. All fuel components except for the injectors are available. The engine stalled while driving at speed forcing me to stop and call a tow truck on the side of the road. Mileage at failure was 81340. Preston hood Chevrolet diagnosed the…”
Fuel/propulsion System · filed Aug 24, 2026
“Recall N192265660 repair failed. Dealer stated that GM refused to participate in the repair. Smoke and smell of burning electrical followed by the rear window exploding. Dealer quoted over $1900 to repair and suggested we go aftermarket and have the repair done elsewhere. Vehicle has approximately 62k miles since last…”
Electrical System · filed Apr 20, 2026
“I’ve heard all the horror stories about faulty electrical issues. I’m chasing an issue now on my 2018 with ONLY 87,000 miles after spending a bunch of money on batteries hub assemblies random control modules to try to fix an issue of stabilitrak, traction control, abs, trailer brakes, power steering etc all going off…”
Electrical System · filed Jan 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
641 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2018 Chevrolet Silverado 3500. 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 3500 has 6 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 3500?
- · 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.