This is a Technical Journal: 12V Battery Testing Method
full bulletin at NHTSA ↗2007 Volvo S40 electrical problems
moderate 5 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
5
Recalls
0
Avg fix
$850
When does it fail?
Of the 5 electrical complaints filed for the 2007 Volvo S40, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Electrical accounts for 20% of all owner complaints filed against this vehicle, across 3 categories tracked.
No new NHTSA electrical complaint has been filed on this vehicle in over 11 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Shipping and Handling of Volvo Lithium-ion 48V Mild Hybrid Battery to Global Battery Solutions (GBS)
full bulletin at NHTSA ↗This is a Technical Journal: It has been noticed on requested materials that PAS sensors are analyzed without finding any fault on the parts. As a help to the troubleshooting on parking assistance system, we have developed some points of possible actions in case of problems. False detection may be caused by various reason explained in this Technical Journal.
full bulletin at NHTSA ↗This is a Service Manager Bulletin: Service 2.0 Software & Total Upgrade Reminder
full bulletin at NHTSA ↗This is a Service Manager Bulletin: Volvo Lithium-ion Hybrid Battery Packs shipping and handling to Volvo Reman
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
Sunroof drain became clogged. This caused the poorly designed drains to leak at a junction inside the vehicle along the door pillar and behind the instrument panel. The water collects on the rear passenger floorboards and around the drivers seat. The car owner is unaware of the leak until a large amount of water has accumulated. I am very concerned about the potential for an electrical fault…
On or about 12/04/2019 during a flash rain storm last winter, my husband and I was headed home on the 215 fwy northbound in san bernardino, ca when the center dome area and the electric sunroof inside our car begin pouring in huge amounts of very cold rain water on us and on the dashboard, stereo console, gear shifter, floor and seats. Until it was safe to exit the freeway, my husband tried to…
On june 28, 2008, my garage door came down on my 2007 Volvo s40 sedan, without warning, causing damage to the roof of the car (est. $2000.00) as well as irreparable damage to the garage door (replaced at a cost of $1150.00). A technician from genie (mfg of garage door opener) thoroughly inspected and tested the opener on june 30, 2008, and found the unit to be working properly. It was…
After parking car and turning car off, airbag, brake, and information warning lights stay on, as does ventilation system. Passenger seat has excess water underneath. Now car will not start.
I parked the 2007 s40 Volvo and can't remove the key from the ignition switch. The car is in park, brake on, all necessary checks are checked. Still can't get the key to release, had to turn it several times (30 minutes) right to left until I heard a click and the key came out. I have seem post on the internet about this and that is how I figured out how to get my key and lock the doors. I called…
Had electrical trouble with your 2007 Volvo S40?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2007 Volvo S40?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 5 complaints filed, electrical issues most often appear around 67,301 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2007/Volvo/S40.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.