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Other or unknownPart report

2004 Volvo S80 Other or unknown Problems

Complaints
2about this part
Share
4%of 50 total for the year
Median mileage
77,415miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the other or unknown of the 2004 Volvo S80, 4% of the 50 complaints for this model year. Where a mileage was given, the median is 77,415 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“While driving down the road, my 2004 Volvo S80 2.5t will suddenly lose power, surge forward or enter 'limp mode with a message of reduced engine performance followed by engine service required. Using an obdii code reader I discovered that these messages and my issue were caused by a problem within the electronic throttle module (etm). I took it into a local Volvo repair shop and they confirmed that this was a throttle body issue. …”

NHTSA complaint #10268690, filed 2009-05, 77,415 miles

“Both of the key fobs I have are broken in that the key won't lock straight out or stay folded into the fob. The weight of the plastic fob alone frequently causes the key to twist backwards if the road is bumpy or uneven, which kills the engine and makes it extremely difficult to steer to safety without power steering. The first time this happened to me I was traveling at 55 mph on a crowded highway but fortunately I was in the rightmost lane, not in a curve, and was approaching an area where I could pull over to safety. I have had to duct tape both keys in the open position to prevent this. …”

NHTSA complaint #11499690, filed 2023-01

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
2016117%
2015229%
2013225%
2012225%
201027%
2008415%
2007313%
200424%
200314%
200237%
200164%
200093%
199932%

Other parts of the 2004 Volvo S80

Fuel system
14 complaints
Steering
6 complaints
Electrical system
5 complaints
Engine cooling
5 complaints
Suspension
5 complaints
Transmission and drivetrain
4 complaints
Air bags
3 complaints
Brakes
3 complaints
Engine
3 complaints
Seat belts
3 complaints
Tires
3 complaints
Exterior lighting
2 complaints

← All problems reported for the 2004 Volvo S80

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology