2016 Chevrolet Silverado 2500HD: Electrical System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 19 owner complaints for the 2016 Chevrolet Silverado 2500HD that list the electrical system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11706942 (filed 12/24/2025): “Had new western wideout snowplow (recommended by western) installed by western dealership on a 2016 chevrolet silverado 2500hd with the factory snow plow prep package (rpo vyu). vehicles instrument cluster, hvac, radio and other electrical systems cut out while operating snowplow. gm is well aware o…”
- NHTSA complaint ODI #11706936 (filed 12/24/2025): “Had new western wideout snowplow (recommended by western) installed by western dealership on a 2016 chevrolet silverado 2500hd with snow plow prep package. vehicle's instrument cluster, hvas, radio and other electrical systems cut out while operating snowplow. gm is well aware of this issue which h…”
- NHTSA complaint ODI #11665358 (filed 06/06/2025): “Tranmission isn't running right and gas and brakes are not working properly. also fuel pump or relay gets hot shuts off while driving.…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto