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Problems for specific Volvo S80 years:

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Newest reported 1999 Volvo S80 problems

 

Verified for the Volvo S80

Many complaints have been reported regarding Volvo S80 transmission shifting issues. Long shift times between gear shifts, hard shifting, hard downshifting and a loss of transmission operation all together to name a few.

If the issue is minor, a transmission software update may address this issue so if available, the software should be updated before any repairs are made. After a software update or repair, the shift adaptation needs to be reset. A good quality Volvo repair shop will know how to perform this task.

There are several technical service bulletins (TSB's) available from Volvo that address these shifting issues and they should be consulted by the repair shop during the automatic transmission diagnostic process.

Regular servicing of the transmission fluid can help with preventing transmission failure, but not in all cases. Follow the suggested fluid replacement interval recommended by Volvo. You will find this in your owners manual, or find it here: http://bit.ly/Volvo_Owners_Manuals

40 Reports
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Verified for the Volvo S80

There have been reports of a failed ABS Control Module causing the ABS and Check Engine warning lights to illuminate. Repair or replacement of the failed module will be required to correct this issue.

23 Reports
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Verified for the 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.

5 Reports
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Verified for the Volvo S80

During the diagnosis of the symptoms the technician may pull diagnostic codes from the Engine Control Module that point to a lean air/fuel mixture. If no vacuum leaks are found, then the mass air flow sensor (MAF) is often the cause.

Replacement of the MAF will be needed, along with a reset of the Engine Control Module and erasing of the diagnostic trouble codes.

6 Reports
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Verified for the Volvo S80

The Electronic Throttle Module (ETM) has a higher than normal failure rate. Volvo has extended the warranty on some of the ETMs to 10 years/200,000 miles

13 Reports
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Verified for the Volvo S80

Engine oil leaks from the PCV housing and turbocharger oil return line seals have been reported.

9 Reports
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Verified for the Volvo S80

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.

13 Reports
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Verified for the Volvo S80

Front upper strut mounts may wear prematurely, resulting in loud noise from the front of the vehicle when going over bumps.

62 Reports
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Verified for the Volvo S80

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.

9 Reports
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Verified for the Volvo S80

Problems have been reported with the automatic transmission. Our technicians recommend complete diagnoses before beginning any repairs.

3 Reports
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Reported by aerobach and 2 others for the Volvo S80

"SRS airbag service required URGENT" warning message appeared after I jump started the car (with some arcing -- battery was very dead). Internet research confirmed this is common problem -- also happens when negative (ground) wire is not disconnected when working on sound system or air conditioning. Must be taken to dealer to reset the warning message (Volvo proprietary bus message). My cost was $60.

3 Reports
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Verified for the Volvo S80

The steering wheel module (SWM) stops working, this affects the turn signals, horn, cruise control, and audio buttons on the steering wheel.

19 Reports
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Verified for the Volvo S80
Several software related issues have been reported and it is recommended that when a software upgrade is performed, all the software should be updated
3 Reports
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Verified for the Volvo S80
The rear electrical module stops working (REM) This affects the fuel gauge and trunk opening switch
4 Reports
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