2002 Infiniti QX4 Electrical system Problems
- Complaints
- 2about this part
- Share
- 5%of 37 total for the year
- Median mileage
- 125,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2002 Infiniti QX4, 5% of the 37 complaints for this model year. Where a mileage was given, the median is 125,000 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.
“Power doors, locks and windows stopped working. Keyless entry wouldn't work. Driver side door kept locking on its own and key wouldn't unlock it. Battery kept dying.”
NHTSA complaint #10537936, filed 2013-08, 125,000 miles“Driving in a snow storm and slid in to a rail ,no damage but the back light,airbag deployed,. My regular headlights on the driver side went out three years ago , neighbor got it to work ,now both headlights are not working.”
NHTSA complaint #11734154, filed 2026-04Related 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
Other parts of the 2002 Infiniti QX4
14 complaintsSteering
7 complaintsAir bags
5 complaintsVehicle speed control
4 complaintsBrakes
3 complaintsEngine cooling
3 complaintsBody and structure
3 complaintsExterior lighting
2 complaintsFuel system
2 complaintsOther or unknown
2 complaintsSeat belts
2 complaintsTransmission and drivetrain
2 complaints
← All problems reported for the 2002 Infiniti QX4
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