The 2019 Chevrolet Silverado 6500 has 4 recalls, the most serious being two separate fire risks: an engine block heater that can short-circuit and ignite, and a brake pressure sensor that can leak fluid into the brake pressure switch and overheat the circuit.
On the brake side, there is a second concern: a prior repair for a brake system issue used a wiring harness assembled without protective tape, leaving the wires exposed to damage that can cause power brake assist to fail, requiring greater pedal force to slow the vehicle. Separately from the fire and brake issues, the engine control module was calibrated to allow the truck to exceed 75 mph, which is the maximum rated speed for the tires fitted to these vehicles, and driving above that threshold raises the risk of a tire failure and loss of control.
At a glance
What can fail
The brake jumper wire harness was installed without protective tape. Without this tape, the wires can become damaged during vehicle operation.
What the fix does
Dealers will remove the wire harness, apply protective tape to it, and reinstall it at no cost to you.
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Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The brake pressure sensor assembly may leak brake fluid into the brake pressure switch, causing an electrical short circuit.
What the fix does
Dealers will replace the brake pressure switch wire harness at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The engine control module software allows the vehicle to operate above 75 mph, which exceeds the maximum speed rating of the tires.
What the fix does
Dealers will update the engine control module software at no cost to restore proper speed limits.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The engine block heater cord or its terminals may short circuit and fail, affecting certain diesel-equipped Silverado and Sierra trucks.
What the fix does
Dealers will replace the engine block heater free of charge. On some models, they will also install a rerouted heater cord.
Summarized — see the official notice for exact wording, dates, and contacts.
