AI Damage2020 Chevrolet Silverado 6500: common problems
The maker issued 16 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 16
Components owners complain about
Comparison
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Wheels. Wheel runout, cracks, signs of a wheel strike.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This PI was created to help address the correct repair regarding a low coolant message on the DIC
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it
- This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance
- PI to help diagnose A/C concern
- This PI instructs technicians to inspect the ground plane on MD Silverado vehicles with DTC P251A
- This preliminary information communicates information about how to determine if a wheel and tires size…
- This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a…
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
- This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic…
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
- This preliminary information communicates an issue with how to repair a brake fluid leak at the B356 Brake…
This preliminary information communicates an issue with how to repair a brake fluid leak at the B356 Brake Pipe Pressure Switch connector.
- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered…
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
- This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic…
- This service bulletin provides information on Tire Sidewall Irregularities
NHTSA lists 16 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2020 Chevrolet Silverado 6500?
There are no owner complaints in the NHTSA data for this year; the data comes from 16 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 Chevrolet Silverado 6500?
NHTSA lists 16 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 Chevrolet Silverado 6500 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.