Power Train Problems of Subaru Ascent

Subaru Ascent owners have reported 172 power train related problems since 1996. Table 1 shows the 10 most common power train problems. The number one most common problem is related to the vehicle's power train (154 problems). The second most common problem is related to the vehicle's vehicle shudder (4 problems). For details of each of the problem category, use the links in the table.


Recently reported Power Train problems of Subaru Ascent

The Power Train problem

While pulling up to a drive thru window the vehicle shuddered and the engine shut off. I lost all power steering and had to come to a stop, shift into park, then restart the engine. No check engine lights or warnings illuminated. There were no status messages to indicate what caused it to shut off.   Read details...

The Vehicle Shudder problem

Driving down the road the entire car started vibrating and felt wobbly when I got above 20mph. Pulled over to check tires and under the car, no obvious issues found. Turned off then back on the car, same issue above 20mph.   Read details...

The Transmission Gear Slipping problem

The transmission occasionally slips, resulting in a momentary rise in engine revs and a slight lurch. I assume that this is related to the known transmission issue for earlier Ascents, but mine is not included in the affected VIN number group.   Read details...

The Transmission Noise problem

Vehicle has continued to make squealing noise and shuddering since previous transmission recall was addressed. This has occurred at speeds from 10-75 mph. It happens multiple times per week, sometimes multiple times each day. Vehicle run time has ranged from approximately 5 minutes to 2+ hours.   Read details...

The Automatic Transmission problem

The contact owns a 2021 Subaru Ascent. The contact stated while driving 65 mph and attempting to accelerate, the vehicle inadvertently lost motive and failed to accelerate at intended. The vehicle returned to normal functionality, but the failure became a regular occurrence.   Read details...




Ascent Service Bulletins