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2004 Volvo S60 Problems
It is not uncommon for the exterior light bulbs to burn out prematurely. No repair option has been reported other than replacing the failed bulb.
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.
Front upper strut mounts may wear prematurely, resulting in loud noise from the front of the vehicle when going over bumps.
Front and/or rear sway bar end links may wear out prematurely, causing a knocking noise from the front or rear of the vehicle when driving on bumpy roads. Our technicians recommend inspecting the links at each service, they should be replaced if any looseness is found.
The front control arm bushings wear out, resulting in alignment issues and squeaking and/or knocking noises from the front end. Worn bushings will require replacement.
One or both of the front wheel bearings may fail resulting in a rumbling noise from the front wheel area when driving over 25 mph.
Coolant leaking from the front of the vehicle is often due to a leaking radiator, which must be replaced.
There is a computer that controls all these items and it's called the rear electrical module, or the "REM". To temporarily address this issue you can pull the fuse from the rear fuse box labeled "REM" and everything should start working again.
Volvo has updated software for the REM that will help prevent this from happening again. See a Volvo shop or Dealer and have this and all the software in the vehicle checked and updated every 30,000 miles.
Several software related issues have been reported and we recommend that when a software upgrade is performed you have all the software upgraded
The steering wheel module (SWM) stops working, this affects the turn signals, horn, cruise control, and audio buttons on the steering wheel.
Erratic shifting from the automatic transmission and cold start issues can sometimes be corrected by software upgrades to the engine and transmission control modules.