2004 Volvo S40 Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 2%of 48 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 2004 Volvo S40, 2% of the 48 complaints for this model year.
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.
“Volvo S40 t5 2004 is not accelerating properly. Rpms increase drastically and speed does not increase. The vehicle has stalled twice while driving along with traffic. Repairs related to similar symptoms: replaced and relocated pem in 2008, engine control module software was updated due to faulty software in 2008 same problems occurred a month ago and recurring at a more extreme level now. This faulty manufacturing does not include other problems that were fixed a few months ago while under warranty and now reappearing again.”
NHTSA complaint #10355630, filed 2010-09Related service bulletins
- 10037893May 25, 2012Volvo: there is a software update. *rm updated 4/11/2012. *kb updated 4/13/12. *pe updated 5/15/12. *pe updated 6/4/12.
- 10037896Jan 5, 2011Volvo: abs light on, four-wheel drive is not working. There is a software problem.
- 10033045Dec 23, 2009Volvo: rear differential housing, leakage and resealing. Oil leakage/moisture from the rear differential housing halves can be resolved by resealing the housing and replacing the…
- 10032425Jul 10, 2009Volvo: the 5 speed automatic transmission, aw55-50/51, has a bolt on top that anchors the b4 band, which applies 3rd gear. If that bolt is removed, the band will be disengaged…
- 10025688Jun 23, 2008Vibration during acceleration front wheel drive (fwd) only. A vibration, especially while in 2nd or 3rd gear, at an engine speed between 1000 and 2000 rpm. May be worse in a…
- 10025687Jun 23, 2008Clunking during shifting and vibration through floor. S40 and v50 customers may complain of a clunking noise during shifting or when applying and releasing the accelerator pedal…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 1 | 11% |
| 2009 | 3 | 30% |
| 2007 | 2 | 8% |
| 2006 | 1 | 2% |
| 2005 | 2 | 3% |
| 2004 | 1 | 2% |
| 2003 | 6 | 33% |
| 2002 | 2 | 7% |
| 2001 | 4 | 5% |
| 2000 | 3 | 2% |
Other parts of the 2004 Volvo S40
12 complaintsAir bags
11 complaintsElectrical system
11 complaintsFuel system
8 complaintsEngine cooling
5 complaintsSteering
4 complaintsVehicle speed control
4 complaintsEngine
2 complaintsExterior lighting
2 complaintsLatches, locks and linkages
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaints
← All problems reported for the 2004 Volvo S40
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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