Problem overview
Erratic and hard shifting can occur from a failed transmission pressure control solenoid. To fix this issue, a partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.
1430 people reported this problem
506 commentsChevrolet Impala vehicles with this problem
21 model years affected
Average mileage: 118,023 miles
(118 - 1,113,243)
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