2020 CHEVROLET SILVERADO 3500 — Complaint #2030778
Open-data reference.
NHTSA Complaint about ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL filed October 8, 2024
NHTSA complaint #2030778 (ODI reference 11618669) concerns a 2020 CHEVROLET SILVERADO 3500 and was filed on October 8, 2024. The owner reports the failure occurred on April 15, 2021. The vehicle had 26,000 miles on the odometer at the time of the incident. The report was geocoded to Kansas based on the filer's self-reported location. The affected component is categorized as electrical system: integrated trailer brake control, one of NHTSA's standardized taxonomy codes used to group defect patterns across make, model, and year.
The filer flagged the following severity indicators: crash: no, fire: no, injuries: 0, fatalities: 0. No crash, fire, or fatality was associated with this report, which places it in the early-warning stream rather than the priority-review stream. Because a VIN was supplied, this complaint is tied to a specific vehicle and not just a model-year cohort.
Individual complaints are consumer-submitted and unverified by NHTSA engineers — the agency's role at this stage is to collect, index, and make them searchable. What matters for federal action is the pattern: when many owners of the same CHEVROLET SILVERADO 3500 cohort independently describe similar electrical system: integrated trailer brake control failures, defect investigators have grounds to open a PE and request manufacturer data. Related filings for the same vehicle and component appear below, and the detail page for the full 2020 CHEVROLET SILVERADO 3500 shows the complete component-level complaint distribution alongside any active investigations or recalls.
Complaint Description
The contact owns a 2020 Chevrolet Silverado 3500. The contact stated that while depressing the brake pedal, the tailgate brake light failed to illuminate. In addition, the contact stated that while a trailer was hitched to the vehicle, the message "Check Trailer Connection" was displayed, and other unknown warning lights were illuminated. The vehicle was taken to a local dealer where it was diagnosed; however, the failure was not identified. The vehicle was taken to another local dealer, Davis-Moore Chevrolet (8200 W Kellogg Dr, Wichita, KS 67209) for a second opinion. The vehicle was diagnosed; however, the cause of the failure was not identified. Upon further inspection, the contact related the failure to Technical Service Bulletin: 20-NA-198; however, the second local dealer advised the contact that the fix might not repair the vehicle. The contact stated that the failure had progressed over time. The manufacturer was made aware of the failure. The failure mileage was approximately
Complaint Details
| NHTSA Complaint ID | 2030778 |
| ODI Number | 11618669 |
| Date Filed | October 8, 2024 |
| Failure Date | April 15, 2021 |
| VIN | 1GC4YTEY7LF |
Similar ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL Complaints for 2020 CHEVROLET SILVERADO 3500
Source: NHTSA Vehicle Complaints Database. Component taxonomy and severity codes are standardized by NHTSA Office of Defects Investigation.
Read our methodology — how this data is sourced, computed, and verified.