Rivian R1t Engine Problems
10 owner complaints filed with NHTSA across 4 model years.
Complaints by Year
Worst year: 2022. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
The vehicle caught fire and was completely destroyed. The fire was due to an electrical or battery system defect.
Car was lane corrected into other lane and started accelerating. Like getting hit by a bumper in a pinball machine. Avoided a head on collision but managed to safety maneuver into a fence instead of a tree.
Truck without warning, suddenly stopped and I was on one of the busiest streets in Los Angeles at an intersection, blocking a large amount of traffic and too dangerous to get out due to cars rapidly passing. Called Rivian support and th...
The car while driving at normal highway speeds announced that there was a high risk of electrocution associated with driving in wet conditions. This was via a red screen in the driver display. Car is 2025 R1T with 15,000 miles on it. Any...
Vehicle was flagged for software update 2025.34.01. Upon installation, the software produced an error. In response to initial support request, OEM pushed an unreleased and unpublished software update versioned 2025.34.20. The new update ...
High Voltage battery failed twice. At highway speeds and during failure vehicle resorts to turtle mode.
While traveling at highway speed on Interstate 95, the vehicle experienced a complete and sudden loss of propulsion. The vehicle would not respond to the Vehicle Restart function. The driver was able to safely pull to the shoulder from t...
Vehicle lurched to a stop in a parking lot, unable to shift into gear. Warnings: “motor fault detected”, “system fault detected”, “all wheel drive permanently engaged”, “replace 12v battery. “ Currently being repaired un...
Defective charge port door that has no manual release. If it gets stuck, the vehicle can no longer be charged, potentially stranding the driver. Only solution is a service visit.
Critical battery issue, made the truck inoperable and stuck in my garage. Rivian replaced the main battery pack and the drained 12v batteries. One day after getting the truck back while I was driving, the truck motors stopped in a jarrin...