NHTSA has vowed to be more proactive going forward.
Engine oil from the vacuum pump may seep into the brake booster, resulting in the loss of brake assist.
The door latch may fail during a crash, allowing the passenger-side door to open.
Affected vehicles are equipped with dual exhaust and may be missing a heat shield for the spare.
The issue could result in a loss of vehicle stability, increasing the risk of a crash.
The recall affects 2015 model year Cherokees.
The battery positive cable can short to the ground, thereby overheating the wiring harness.