Own a Chevrolet Silverado 6500 in the Phoenix area? EZ Swap LLC repairs and maintains the Chevrolet Silverado 6500 for model years 2021, 2024. Our shop at 9050 N 9th St handles everything from routine service to diagnostics and major repairs.
To help Silverado 6500 owners know what to watch for, we reviewed public records from the National Highway Traffic Safety Administration (NHTSA). For these model years NHTSA has 3 owner complaints on file for the Silverado 6500 and 1 safety recall campaign. The most-reported problem areas are service brakes (2), exterior lighting (1).
Most-Reported Chevrolet Silverado 6500 Problems
These problem areas come up most often in NHTSA owner complaints for the Silverado 6500 (all model years combined). Complaint counts reflect reports filed, not the share of vehicles affected, so popular and older models naturally have more.
| Problem area (NHTSA component) | Complaints | Share | |
|---|---|---|---|
| Service Brakes | 2 | 66% | |
| Exterior Lighting | 1 | 33% | |
| Service Brakes, Hydraulic | 1 | 33% |
Service Brakes
2 of the 3 complaints (66%) mention brakes. Brake complaints turn up on nearly every vehicle, and Phoenix stop-and-go traffic wears brake parts quickly. We measure pads and rotors, check calipers and fluid, and replace only what is worn. See our brake repair page.
Exterior Lighting
1 of the 3 complaints (33%) mention lighting and visibility. Lights, wipers and visibility items are quick to fix and are on every rideshare inspection checklist. We check them as part of our inspection prep. See our rideshare inspection prep page.
Chevrolet Silverado 6500 Complaints by Model Year
The Silverado 6500 model years with the most NHTSA complaints on file are 2021, 2024. Older model years have had more time to collect reports, so use this table as a guide for what to inspect, not as a verdict on any one vehicle.
| Model year | Complaints on file | |
|---|---|---|
| 2021 | 2 | |
| 2024 | 1 |
Chevrolet Silverado 6500 Check Engine Codes
NHTSA owner complaints rarely cite specific trouble codes for the Silverado 6500, so we do not have a model-specific ranking to show. These are the check engine codes we see most often on vehicles in Phoenix heat, and any of them can show up on a Chevrolet.
| Code | What it means |
|---|---|
| P0420 | Catalyst efficiency below threshold (bank 1) Often a worn catalytic converter, but failing oxygen sensors or exhaust leaks can set it too. Can cause an emissions test failure. |
| P0300 | Random or multiple cylinder misfire Worn spark plugs, failing ignition coils, fuel or vacuum problems. Do not ignore a flashing check engine light. |
| P0171 | System too lean (bank 1) Often a vacuum leak, dirty MAF sensor, weak fuel delivery or a failing oxygen sensor. |
| P0455 | EVAP system large leak Missing or loose gas cap, or a disconnected or cracked vapor hose. |
| P0128 | Coolant temperature below thermostat regulating temperature Usually a thermostat stuck open. Fix it to restore efficiency and cabin heat. |
| P0442 | EVAP system small leak Loose or worn gas cap, cracked hose or purge or vent valve. |
| P0301 | Cylinder 1 misfire Commonly a bad spark plug or ignition coil on that cylinder. |
| P0401 | EGR flow insufficient Clogged EGR passages or a stuck EGR valve. |
Got a check engine light on your Silverado 6500? A code is a clue, not a diagnosis, so we scan it and test the system before replacing anything. See our check engine light diagnostics.
Chevrolet Silverado 6500 Safety Recalls
NHTSA lists 1 recall campaign for the Silverado 6500 in these model years, most often involving service brakes, hydraulic. Recalls are repaired by the manufacturer at no charge to you, but each applies only to certain vehicles. Look up your VIN at nhtsa.gov/recalls.
- 2025 recall, Service Brakes, Hydraulic (campaign 25V390000): General Motors (GM) is recalling certain 2019-2024 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause a short circuit.
Keeping a Chevrolet Silverado 6500 Reliable in Phoenix
Arizona heat is the hardest test a Chevrolet will face. Batteries, belts, hoses, tires and engine oil all wear faster here, and a Silverado 6500 that spends its life in stop-and-go Valley traffic needs maintenance earlier than the owner's manual's normal schedule suggests.
Our recommendation for Silverado 6500 owners: follow the severe-service schedule, test the battery before every summer, inspect brakes and tires twice a year, and have any warning light diagnosed instead of ignored. If you are shopping for a used Chevrolet Silverado 6500, a pre-purchase inspection shows what the paperwork does not.
Chevrolet Silverado 6500 Services at EZ Swap LLC
Get the details on our Phoenix Chevrolet Silverado 6500 repair service, or choose a service below.
Brake Repair
Pads, rotors, calipers, fluid and brake lines.
Details →Rideshare Inspection Prep
Get approved for Uber, Lyft and more.
Details →Oil Change & Maintenance
Oil, filters, fluids, tires and scheduled service.
Details →Car A/C Repair
Phoenix heat demands cold air.
Details →Pre-Purchase Inspection
Know the car before you buy it.
Details →Chevrolet Silverado 6500 FAQ
What are the most common problems with the Chevrolet Silverado 6500?
Based on NHTSA owner complaints, the most-reported problem areas for the Chevrolet Silverado 6500 are service brakes (2), exterior lighting (1). Complaint counts reflect reports filed, not the share of vehicles affected.
Which Silverado 6500 model years have the most complaints?
The Silverado 6500 model years with the most NHTSA complaints on file are 2021, 2024. Older years have had longer to collect reports, so inspect any specific vehicle before buying.
What check engine codes are common on the Chevrolet Silverado 6500?
NHTSA complaints rarely cite specific codes for the Chevrolet Silverado 6500. On Phoenix vehicles in general, we see P0420, P0300 misfires, P0171 lean conditions and EVAP leaks such as P0455 and P0442 most often. Bring yours in and we will scan and test it.
Does the Chevrolet Silverado 6500 have any safety recalls?
NHTSA lists 1 recall campaign for the Chevrolet Silverado 6500 across model years 2021, 2024. Each recall applies only to certain vehicles, so enter your VIN at nhtsa.gov/recalls to see if yours is affected.
Do you repair the Chevrolet Silverado 6500 in Phoenix?
Yes. EZ Swap LLC repairs and maintains Chevrolet vehicles including the Silverado 6500, at 9050 N 9th St in Phoenix. Call or text (602) 246-9063 for an appointment.
Is a pre-purchase inspection worth it for a used Chevrolet Silverado 6500?
Yes. An inspection checks the engine, transmission, brakes, suspension, A/C and electrical system, and scans for stored codes, so you know the real condition before you buy.
How often should I service my Chevrolet Silverado 6500 in Phoenix?
Follow the severe-service schedule in your owner's manual, since heat and stop-and-go driving count as severe use. Test the battery before summer and inspect brakes and tires regularly.
More Chevrolet Models We Service
Source: public complaint and recall records from the National Highway Traffic Safety Administration (nhtsa.gov). Counts reflect reports filed and do not predict the condition of any individual vehicle.