2004 Volvo S40 electrical system problems
11 owner complaints filed with NHTSA name the electrical system on the 2004 Volvo S40 — 23% of all complaints for this model year.
What owners report
“Having a coolant leakage, crash mode and safety alarm system check keeps coming on...when crash mode comes on...car just shuts off.”
filed Nov 8, 2020
“The key does not turn all the way to turn the ignition - it's locked after turning I and ii (not to iii). I had to have the car towed. I could have been stranded in an unsafe area. I called volvo customer service, but I was told it's not under warranty anymore. I went to youtube as to how I could…”
filed Apr 10, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Information about valid Software partnumbers to order and download Software for "PDS" Pre-Delivery Service
TJ27536.21.1-2024-08-07 · Other · issued Aug 14, 2024This is a Technical Journal: 12V Battery Testing Method
26745.13.14 · Service Bulletin/Repair Instructions · issued Jan 12, 2024
Electrical System problems in other S40 years
| Year | Reports | Share |
|---|---|---|
| 2007 S40 | 5 | 20% |
| 2006 S40 | 24 | 41% |
| 2005 S40 | 19 | 28% |
| 2002 S40 | 5 | 19% |
| 2001 S40 | 10 | 12% |
| 2000 S40 | 13 | 11% |
Other reported problem areas on the 2004 Volvo S40
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.