Problems owners report
Complaints filed with NHTSA about the 2001 Infiniti Q45, by the system named in each complaint. One complaint can name several.
- Electrical system2
- Vehicle speed control1
- Child seat1
- Seat belts1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fuel consumption
Official Canadian test results for 1 variant: combined 13.2 L/100 km (about 18 mpg US), CO₂ 304 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Q45 · Mid-size · Premium gasoline | 15.0 | 11.0 | 13.2 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
2 Transport Canada recalls for the 2001 Infiniti Q45.
| 2003267 5 Nov 2003 | Engine On certain vehicles, the circuit board for the crank position sensor may have an improper solder joint. This could cause the Service Engine Soon warning light … |
| 2003068 17 Mar 2003 | Wheels On certain vehicles equipped with 17 inch alloy wheels, these wheels may have a casting defect(s) from which a crack(s) may propagate as the vehicle is being dr… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
03V098000 · Wheels19 Mar 2003 · 3,600 vehicles
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 17 INCH ALLOY WHEELS, THE WHEELS MAY HAVE A CASTING DEFECT FROM WHICH CRACKS COULD PROPAGATE AS THE VEHICLE IS BEING DRIVEN.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Infiniti told its dealers about the 2001 Infiniti Q45: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 629510 | INFORMATION REGARDING MALFUNCTION INDICATOR LAMP ON, REAR O2 SENSOR DIAGNOSTIC TROUBLE CODE. *YH |
| 628754 | SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODES P0138/P0139/P0140/P0158/P0159/P0160. *TT |
| 627320 | ON SOME VEHICLES, THE NAVIGATIONAL SYSTEM DISPLAY FREEZES, UN-INIATED RE-ROUTING, AND NO VOICE GUIDANCE SYMPTOMS. *TT |
| 625032 | SUBJECT REGARDING FUEL TANK SLOW FILL SERVICE CAMPAIGN. *YD |
| 623687 | INFORMATION REGARDING WINDSHIELD MOLDING SEPARATION. *SLC |
| 623102 | INFORMATION REGARDING ESSENTIAL TOOL: INNER TIE ROD WRENCHES. *YH |
| 621952 | VEHICLES MAY EXHIBIT NAVIGATION SYSTEM DISPLAY FREEZE, UN-INITIATED RE-ROUTING, AND NO VOICE GUIDANCE SYMPTOMS. *TT |
| 618437 | A CONDITION MAY EXIST WHERE THE ENGINE WILL NOT START OR INTERMITTENT NO START CONDITION IS EXPERIENCED. THIS BULLETIN DESCRIBES AND INTRODUCES NEW FEATURES OF THE VEHICLE IMMOBILIZER SYSTEM / NISSAN ANTI-THEFT SYSTEM (IVIS / NATS). *TT |
| 11002539 | INTELLIGENT 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. |
| 11001182 | WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001179 | REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001177 | WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232646 | REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232645 | WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232644 | WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10192802 | SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement "Certification Label" or "VIN Plate / Label" may be needed. These items may be available from Infiniti by request if certain criteria are met. This bulletinlists the criteria and provides an application form for such replacements. See this bulletin for further detail. |
| 10192693 | SERVICE INFORMATION Windshield "foreign material" that is on the surface of the glass in some cases can be cleaned off with a very particular type and grade of steel wool. * Most any foreign material on the surface of the Windshield can be cleaned off by using #0000 super fine steel wool. >The #0000 grade super fine steel wool can be found in most hardware stores. Please see this bulleitn for further details. |
| 10192514 | SERVICE INFORMATION Changes or modifications to the front seat assembly trim materials may affect the proper operation of the Front Seat-Mounted Side-Impact Supplemental Air Bags and Passenger Occupant Classification Sensor and could result in serious personal injury or death. Infiniti STRONGLY RECOMMENDS AGAINST making any change to seat trim materials from the factory equipped condition. This specifically applies to replacing the seat trim with non-factory materials; adding leather/cloth seat covers, seat pads, or seat storage pouches, etc. around or over the seat back and the passenger |
| 10192314 | SERVICE INFORMATION Information necessary to service the Supplemental Restraint System (SRS) safely is included in the "RESTRAINTS" section of the Electronic Service Manual (ESM) for each vehicle IMPORTANT: Turn the ignition switch OFF, disconnect both battery terminals, and wait at least 3 minutes before performing any service on the SRS. See this bulletin for further detail. |
| 10192235 | Infiniti Original Equipment or Genuine Accessory Alloy wheels, along with their finish coating (clear, chrome, titanium, etc.), are specifically developed to achieve Infiniti design and performance standards. These Original Equipment or Genuine Accessory wheels are subjected to testing to ensure they meet Infiniti's standards. Infiniti Original Equipment Alloy or Genuine Accessory wheels subjected to aftermarket chroming may no longer continue to meet these standards and may be seriously damaged. Therefore, Infiniti most strongly discourages, and recommends that these wheels NEVER be subje |
| 10192219 | SERVICE INFORMATION - This bulletin is to assist you in responding to customer questions about brake operation, and provides diagnostic and repair information for each item listed, if any should occur. - Most brake issues fall into the following categories: a. Brake Noise: A squeak, squeal, clunk, or groan that occurs when the brakes are applied or released. b. Brake Judder: A vibration that can be felt in the vehicle, steering wheel, or brake pedal when the brakes are applied. c. Pedal Feel: The effort needed to operate the brakes is too high or too low. SERVICE PROCEDURE 1. V |
| 10192218 | If YOU CONFIRM: A vehicle needs to have the brake rotors resurfaced (front or rear). ACTION: Use the ProCut PFM Series on-car brake lathe to perform brake rotor resurfacing and follow the tips listed in this bulletin. - The ProCut PFM Series brake lathe has been chosen as the approved tool for rotor resurfacing. - The ProCut PFM Series brake lathe can be ordered from TECH-MATE at 1-800-662-2001. - ProCut technical support or service can be obtained by calling 1-800-543-6618. NOTE: Brake rotors may need to be resurfaced during routine brake repair or for brake "judder" incidents. |
| 10192191 | As 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 whether the engine control module (ECM) has completed self diagnosis of major emissions systems and components. - In these instances the State may require completion of the SRT before permitting the emissions inspection to proceed. Refer to this Bulletin for further details. |
| 10192146 | SERVICE INFORMATION This bulletin provides information to identify: - A leaking strut or a shock absorber that qualifies for replacement under warranty. - A strut or shock absorber that has slight oil seepage, a condition which is considered normal, does not affect strut/shock absorber operation or performance, and does not require replacement. - A strut or shock absorber that should be replaced due to rod resistance/noise issues. See this bulletin for further detail. |
| 10190150 | INFINITI; 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. |
NHTSA manufacturer communications (public domain)