NHTSA (USA)Critical
At a glance
What can fail
Exposed wiring and connectors for an optional rear heating and air-conditioning system can corrode and overheat when the blower motor circuit is left unused.
The 2018 GMC Savana has 8 recalls, the most serious involving Continental tires that can crack at the sidewall or shed their tread and belts, causing sudden air loss and potential loss of vehicle control.
Two separate electrical fire risks also affect this van. On cutaway models equipped with wiring for an optional rear HVAC system, unused connectors left exposed can corrode and overheat, raising the risk of fire. On models with a single manual rear climate control module, an electrical short when the heat is set to maximum can overheat components in the module and ignite the headliner above.
On the safety equipment side, certain rear-quarter windows may be tempered glass rather than the required laminated glass, which is more likely to shatter and allow occupants to be ejected in a side impact or rollover. Some vehicles equipped with an ASA Electronics backup camera monitor may display a mirror-reversed image, causing the driver to steer the wrong way when backing up. Certain fire extinguishers installed in these vans may also fail to discharge properly when needed. Finally, the tire pressure monitoring system on some vehicles is calibrated to warn at the wrong threshold, giving the driver less time to respond to a low-pressure situation.
At a glance
What can fail
Exposed wiring and connectors for an optional rear heating and air-conditioning system can corrode and overheat when the blower motor circuit is left unused.
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What the fix does
Dealers will seal the rear HVAC blower motor circuits at the left B-pillar to prevent corrosion and overheating.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
Certain Continental tires may have been cured too long during manufacturing, causing the sidewall to crack or the tread and belts to separate, potentially leading to sudden air loss and tire failure.
What the fix does
General Motors will mail owners instructions to visit a dealer for tire inspection and replacement if needed.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
Certain Continental tires were overheated during manufacturing, which can weaken the tire structure and increase the risk of tire failure.
What the fix does
Dealers will inspect your tires and replace any affected ones at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The backup camera monitor may reset to factory settings, causing the camera image to display in reverse.
What the fix does
The monitor will be corrected to display the backup camera image properly. The fix is free.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
One or both rear-quarter windows may be made of tempered glass instead of laminated glass, which doesn't meet federal safety standards for preventing occupant ejection.
What the fix does
Dealers will replace any tempered glass rear-quarter windows with laminated glass windows at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
An electrical short in the rear climate control module can cause overheating when temperature is set to maximum heat or mode is set to maximum floor vent, creating a fire risk.
What the fix does
Dealers will remove electrical insulation from a wiring connector in the climate control module to eliminate the fire risk.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The tire pressure monitoring system is calibrated incorrectly on some vehicles. The warning light turns on at 37 PSI instead of the correct 41 PSI, so you won't get proper pressure alerts.
What the fix does
Dealers will check that the tire pressure settings match between the door lock receiver and tire placard. If they don't match, the receiver will be reprogrammed to the correct PSI.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The fire extinguisher may clog and fail to discharge, or require excessive force to use. In some models, the nozzle may detach forcefully, potentially causing injury and making the extinguisher inoperable.
What the fix does
GM will provide a free replacement fire extinguisher from Kidde. Contact your vehicle manufacturer's customer service to arrange the replacement.
Summarized — see the official notice for exact wording, dates, and contacts.
