Chevrolet Silverado 6500, 6500: Engine and engine cooling — software

Affects Chevrolet Silverado 6500, 6500 · 2019 — about 196 vehicles.

The hazard

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

What to do

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.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational