🚗 AutoDefect IQ

2019 Chevrolet 6500 problems, complaints & recalls

Most-reported problem areas: Service Brakes (1)

1
Complaints
2
Recalls
475
Service bulletins
0
Crashes reported
1
Fires reported
0
Deaths

Safety recalls (2)

Service Brakes, Hydraulic:brake Fluid Low Warning:switch/Sensor/Float 2025-06-12 · campaign 25V390000 · 62,468 vehicles ⚠ PARK OUTSIDE

Defect: 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.

Risk: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

Fix: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch wire harness, free of charge. Owner notification letters were mailed September 11, 2025. Owners may contact GM customer assistance number at 1-866-467-9700. GM's number for this recall is N242482680. Vehicles in this recall that were previously repaired under 23V266 will need to have the new remedy completed.

Engine And Engine Cooling:engine:engine Control Module (Ecu/Ecm):software 2021-05-13 · campaign 21V346000 · 196 vehicles

Defect: General Motors, LLC (GM) is recalling certain 2019-2020 Chevrolet 6500HD vehicles. The engine control module (ECM) was calibrated incorrectly, allowing the vehicle to exceed the tires' maximum speed rating of 75 mph.

Risk: Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.

Fix: Dealers will update the ECM software, free of charge. Owner notification letters were mailed June 7, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202325530.

Service bulletins (475)

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 475 bulletins. Search all of them free at nhtsa.gov.

What owners report

2024-10-02 · Service Brakes · 🔥 fire

“the brake switch nearly burned the truck to the ground could smell the electrical burning, and the brake pressure failed due to a brake line failure chevrolet says, the switch was covered in recall. but the say the brake lines arent covered. these same brake lines were recalled on chevrolet commercial van chassis. this could have resulted in seri…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.