2018 Gmc G3500 problems, complaints & recalls
Most-reported problem areas: Exterior Lighting (1)
Safety recalls (1)
Exterior Lighting:brake Lights 2019-05-03 · campaign 19V342000 · 17 vehicles
Defect: Taylor Made Ambulances is recalling certain 2017-2018 Ford E-350, F-450, E-450, F-550, and GMC G3500-based ambulances equipped with Whelen brake lights. Depending on the specific wiring of the vehicle, these brake lights may illuminate when the brake pedal has not been pressed.
Risk: If the brake lights incorrectly illuminate, it can confuse other drivers, possibly increasing the risk of a crash.
Fix: Taylor Made will notify owners and Whelen will replace the brake lights, free of charge. The recall began June 5, 2019. Owners may contact Taylor Made Ambulances customer service at 1-800-468-1310.
Service bulletins (283)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-04-01 · PIT3271Q · Service Bulletin/Repair Instructions
this preliminary information communicates information about how to determine if a wheel and tires size change is available.
Unknown Or Other 2026-03-09 · PIP6104 · Service Bulletin/Repair Instructions
this preliminary information communicates the steps on how to save a gds2 session log and upload to a technical assistance case in cx connect.
Unknown Or Other 2026-03-09 · PIP4902V · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Showing the 6 most recent of 283 bulletins. Search all of them free at nhtsa.gov.
What owners report
2020-11-29 · Exterior Lighting · 22,560 mi“vehicle left the road while driving due to inadequate headlight function, fortunately no damage or injury this time. could not see roadway adequately to maintain control. low beam and hi beam headlights provide very inadequate lighting for safe nighttime driving.…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.