my tahoe 2007 back door wont open at all.. on 2007 Chevrolet Tahoe

will i had problem with this car since we get it..but the door issue was the big one ..doors some times wont close ...and than we able to close it after we do to many things ,but this time it seems dead the the back door behind driver wont open ...chevy dealer they always try to get away from any problem this truck has...i always had GMC cars ..but this time ..i don't know any more...plz how much you think open the door and fix will cost?thank you

Asked by for the 2007 Chevrolet Tahoe
if you mean it won't unlock try testing or replacing door lock relay in fuse panel near d/s door post at edge of dash. very common
1 more answer
maybe the actuator is broken