2003 Infiniti FX45 Transmission and drivetrain Problems
- Complaints
- 4about this part
- Share
- 16%of 25 total for the year
- Median mileage
- 17,300miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the transmission and drivetrain of the 2003 Infiniti FX45, 16% of the 25 complaints for this model year. Where a mileage was given, the median is 17,300 miles. 1 recall campaign on record is filed under a similar system.
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.
“Owner was driving at approximately 50 MPH and suddenly the driveshaft fell out from under the vehicle. Owner was able to get to the side of the road, and had the vehicle towed to the dealership. Currently this year, make, and model was being recalled for this defect however, this vehicle was not included due to VIN.”
NHTSA complaint #10109291, filed 2005-01, 6,100 miles“While traveling at highway speed (70) on the florida tpke the car down shifted to low gear on its own. This caused a sudden slowdown, and I was almost rearended by a following 18 wheeler. After returning unit to dealer for correction this happened again at the gardens mall in palm beach gardens a few days later.”
NHTSA complaint #10047096, filed 2003-11, 500 miles“The child was able to move the gear from park without the consumer being present to step on the brakes or without the key being in the vehicle. The manufacture states the vehicle is designed as such.”
NHTSA complaint #10119008, filed 2005-04, 28,500 miles“The contact owns a 2003 Infiniti FX45. While driving 35 MPH, a loud noise was heard when the accelerator pedal was depressed. The contact exited the vehicle and noticed the driveshaft on the ground. The vehicle was towed to the contact's home. The vehicle was diagnosed by an independent mechanic who stated that the shaft bolt separated from the vehicle and the driveshaft needed replacement. The vehicle was not repaired. The manufacturer was not notified. The failure mileage was 160,000.”
NHTSA complaint #10947673, filed 2017-01, 160,000 milesRelated recalls
- 03V164000May 5, 2003On certain sport utility vehicles, the bolts which attach the propeller shaft(s) to the transaxle and differential(s) may not have been adequately tightened.Covers: Infiniti FX45 2003, FX35 2003
Related service bulletins
- 10149806Oct 12, 2018TRANSMISSION & ENGINE AUTOMATED DATA COLLECTION AND DIAGNOSTIC REPORTING SERVICE INFORMATION To support proper diagnosis and to promote Fixed-Right-First-Time ? Infiniti may…
- 10033227Feb 11, 2010Infiniti: 5 speed a/t dtc diagnoses for p1701, p1702, p1703, p1704, p1705, p1754, p1759, p1764, p1769, p1774. Applies to re 5r05a only transmissions (5 speed a/t). If one or more…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 1 | 9% |
| 2003 | 4 | 16% |
Other parts of the 2003 Infiniti FX45
5 complaintsExterior lighting
5 complaintsFuel system
4 complaintsBody and structure
4 complaintsBrakes
2 complaintsOther or unknown
2 complaintsElectrical system
1 complaintsLatches, locks and linkages
1 complaintsSeats
1 complaintsSteering
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2003 Infiniti FX45
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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