Table 1 shows three common power train related problems of the 2003 Volvo S40. The number one most common problem is related to the transmission gear slipping (four problems). The second most common problem is related to the automatic transmission control module (one problem).
| Problem Category | Number of Problems |
|---|---|
| Transmission Gear Slipping problems | |
| Automatic Transmission Control Module problems | |
| Power Train problems |
My 2003 Volvo S40 has been driven fewer than 70,000 miles. All Volvo recommended service has been performed by certified mechanics and is documented. My Volvo dealer determined that the transmission had to be replaced. Read details...
My 2003 S40 has been slipping gear between 3rd and 4th gear and ocassional hard shift between 2nd and 3rd gear. The car only has 49000 miles. I have gone to the dealer and they said, there is no software update for the tcm (transmission control module)and it needs to be replaced. Cost $800. Read details...
Prior to latest incident, the car had occasionally gone into "limp" mode, sticking in 3rd gear but drivable. That problem would go away after a day or so. Local shop couldn't find anything definitive. Read details...