There are 6 owner-reported lighting complaints for the 2015 Chevrolet Suburbanin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The Day Light Running Lights will not go off preventing the low beam light from lighting properly. 08/21/2025
Headlight assembly leaks and retains significant amounts of water resembling a half filled fish tank. This causes the bulbs to burn out or corrode the light power supply leaving you with no headlights! This is a very common problem across many GM platforms. I am surprised the Government regulators have allowed a safety problem this wide spread and known to continue unaddressed.
STATE REJECTS VEHICLE CITING MOISTURE INSIDE A SEALED HEADLAMP ASSEMBLY IS A SAFETY HAZARD. THOUSANDS OF COMPLAINTS POSTED ONLINE. GM/CHEVROLET ADMITS THE SEALED ASSEMBLIES ARE DEFECTIVE HOWEVER THEY DO NOT OFFER ANY ASSISTANCE WHATSOEVER REGARDING REPLACEMENT OF THE DEFECTIVE EQUIPMENT AND FURTHER STATING THEY CANNOT BE REPAIRED. DEALER HAS QUOTED A PRICE OF UP TO $1,400 TO REPLACE THE HEADLAMP ASSEMBLY ON MY VEHICLE. THIS ISSUE FIRST APPEARED WITH LESS THAN 40,000 MILES ON THE VEHICLE. THE MOISTURE ACCUMULATION CAN INCREASE OR DECREASE WITH RAIN OR OTHER ATMOSPHERIC CONDITIONS. THE ELECTRICAL CONTACTS WITHIN THE HOUSING OF THE SEALED LENSES RUST CAUSING THE LAMPS AND TURN SIGNALS TO INTERMITTENTLY GO ON AND OFF AND FAIL ALTOGETHER. ONCE FAILED, ATTEMPTS TO REPLACE THE BULBS HAVE BEEN UNSUCCESSFUL DUE TO THE OXIDATION AND/OR RUST ACCUMULATION ON THE LENS HOUSING CONTACT POINTS.
THE HEADLAMPS DO NOT PROVIDE SUFFICIENT LIGHT OUTPUT TO SAFELY OPERATE THE VEHICLE AT NIGHT. IT IS VERY EASY TO OVER DRIVE THE VEHICLE HEADLAMPS AND THE BRIGHT LIGHTS DO NOT PROVIDE ENOUGH INCREASE IN LIGHT OUTPUT TO ADDRESS THE ISSUE. I DO NOT FEEL SAFE OPERATING THIS VEHICLE AT NIGHT IN ANY REDUCED LIGHT CONDITION.
ESPECIALLY AT NIGHT, THE "WELCOME LIGHTS/REVERSE LIGHTS" OF A CHEVROLET SUBURBAN CONFUSE ME BECAUSE I THINK THAT PERSON'S VEHICLE IS BACKING UP. THIS CAUSES ME TO EITHER HESITATE OR AT WORST, PANIC IF I THINK THEY ARE ABOUT TO BACK INTO ME. THE PHOTO ATTACHED IS OF A DIFFERENT GM VEHICLE, THE GMC TERRAIN, BUT THE APPEARANCE IS THE SAME.
HEADLAMPS TOO DULL. HARD TO SEE THE ROAD AT NIGHT. NO SIDE VISION AT NIGHT. HAS BEEN LIKE THIS SINCE NEW. I HAVE COMPLAINED TO 2 DIFFERENT DEALERS AND THEY SAY THERE IS NO PROBLEM. I HAVE PUT IN A COMPLAINT THE THE MANUFACTURER AND HAVE HEARD NOTHING BACK.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026