AI Damage2021 Chevrolet 6500XD: common problems
The maker issued 5 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 5
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 3 |
| Engine and cooling | 0 | 0 | 2 |
| Equipment | 0 | 0 | 1 |
| Fuel system | 0 | 0 | 1 |
| Powertrain | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This informational bulletin provides information on Information on 6500XD/7500XD Medium Duty (LCF) with…
This informational bulletin provides information on Information on 6500XD/7500XD Medium Duty (LCF) with the 6.7L Cummins Diesel Engine.
- This information bulletin advised the tech of possible use of low fuel quality and the possible…
This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns.
- This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer…
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
- This warranty administration bulletin provides policy information on the requirements for battery testing…
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
Other years of this model
Questions and answers
What are the most common problems with the 2021 Chevrolet 6500XD?
There are no owner complaints in the NHTSA data for this year; the data comes from 5 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 Chevrolet 6500XD?
NHTSA lists 5 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 2021 Chevrolet 6500XD 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 2021 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.