2001 Infiniti Q45 Electrical system Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- 54,326miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2001 Infiniti Q45, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 54,326 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.
“Vehicle experiences a total electrical shutdown. First occasion was after a 6 hour drive and shut down in the parking lot. Vehicle was transported 100 miles to nearest infinity dealership, alternator checked out, recharged the battery and returned the vehicle. Second experience occurred 1 month later while driving the vehicle again experienced total shutdown, all lights on dash came on, engine shutdown. Vehicle towed to infinity dealership, replaced alternator and battery, as of this date continuing to search for cause.”
NHTSA complaint #10102680, filed 2004-12, 54,326 miles“- the contact stated that during 2006 they replaced the alternator in her 2001 Infiniti Q45. The contact is concerned because she was informed of a recall in canada for a similar failure. The current odometer reading is 79000. Updated 03/02/07.”
NHTSA complaint #10178823, filed 2007-01Related service bulletins
- 11002539May 20, 2024INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- 10190150Mar 24, 2021INFINITI; FRONT SONAR PARKING SENSOR SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- 10119210Jul 7, 201712 VOLT BATTERY STORAGE AND MAINTENANCE FOR NEW VEHICLES IN RETAILER INVENTORY This bulletin has been amended throughout. Please discard all previous versions of this bulletin.
- 10192314Jan 27, 2014SERVICE INFORMATION Information necessary to service the Supplemental Restraint System (SRS) safely is included in the "RESTRAINTS" section of the Electronic Service Manual (ESM)…
- 10192191Jun 7, 2013As part of an enhanced emissions test for Inspection & Maintenance (I/M), some States may require the System Readiness Test (SRT) status be checked. - The SRT is used to indicate…
- 10044526Jul 6, 2012Infiniti: reprogramming electronic control unit (ecu) on all qualifying vehicles. No models listed. Model years 1998-2013.
- 10030145Apr 6, 2009Infiniti: electronic control unit damage can result from improper battery connection. The battery is required to stay connected when the engine is running. No model years listed.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2004 | 3 | 43% |
| 2003 | 3 | 25% |
| 2002 | 2 | 10% |
| 2001 | 2 | 40% |
| 1998 | 2 | 14% |
| 1997 | 4 | 33% |
| 1994 | 8 | 27% |
| 1992 | 4 | 14% |
| 1991 | 4 | 12% |
| 1990 | 2 | 7% |
Other parts of the 2001 Infiniti Q45
← All problems reported for the 2001 Infiniti Q45
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