Transmission Shifting Issues Due to Internal Failure and/or Software Issues on Volvo S80

The automatic transmission may develop shifting problems and/or the Check Engine Light may illuminate due to internal component failure and/or software issues. It is always best to be sure the transmission control module has the latest software installed when any major transmission repair is performed.

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Average mileage: 97,044 (31,000–150,000)
Drive Train affected: w/o AWD
5 model years affected: 1999, 2000, 2001, 2003, more2004
9 people reported this problem
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Viewing 1 - 5 of 5 problem details
2004 Volvo S80 105,000 mi,
Transmission service urgent message came up. Low oil pressure warning also came on . Stopped car , shut off engine and checked engine oil level , and it was perfect in safe area. Restarted car oil warning went out and transmission seemed normal . Then suddenly transmission while in drive will not down shift either automatically or manually. Any ideas?
The gear shift often gets stuck in the "park" position and will not budge.
Transmission Service Urgent light came on. Notice difference in shifting. 92307 mi. 2000, S80 T. Now in process of diagnosing problem. No repairs yet. Any advice would be appreciated. dliller43@
2003 Volvo S80 74,222 mi,
will not up-shift from 2d to 3d normally, but if I can really slowly increase the speed sometimes it will shift and then be OK till I have to stop for something. Later I learned to pull over, shut off engine, restart and then do the slow sneak up. Dealer said "new xmsn for $4710 and new control computer for $700"
2001 Volvo S80 - w/o AWD 125,000 mi,
transmission light on and software issues