Power Train Related Problems of the 2020 Subaru Ascent

Table 1 shows four common power train related problems of the 2020 Subaru Ascent. The number one most common problem is related to the power train (51 problems). The second most common problem is related to the transmission gear slipping (one problem).

Table 1. Power Train related problems of Subaru Ascent


Recently reported Power Train problems of the 2020 Subaru Ascent

The Power Train problem

My 2020 Subaru Ascent struggles to retain power when accelerating, especially from stopping and especially when the fuel is low. The vehicle stalls or loses some power when trying to accelerate. The check engine light is not on and there is no other indication that there is a problem with the   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 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...


Power Train related problems in other Subaru Ascent model year vehicles:



Ascent Service Bulletins