There are 3 stored owner reports matching the powertrain & transmission leading-label group for the 2003 Porsche Boxster in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)The contact owns a 2003 Porsche Boxster. The contact stated that upon starting the vehicle, the indicator lights on the gear shifter for the park(P) and the four (4) position was flashing. In addition, while driving at various speeds, the transmission failed to shift into fifth gear and the vehicle would enter LIMP Mode. The contact had taken the vehicle to a dealer on two separate occasions and was informed that the gear selector switch was sticky due to the vehicle not being driven. The vehicle was repaired after the failures; however, the failure persisted. The manufacturer was notified of the failure. The vehicle was not repaired. The failure mileage was 12,669.
TL* THE CONTACT OWNS 2003 PORSCHE BOXTER. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, AN ABNORMAL NOISE WAS HEARD FROM THE VEHICLE. AFTER PARKING, THE CONTACT NOTICED OIL LEAKING FROM THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER WHERE AND DIAGNOSED AS HAVING AN INTERMEDIATE SHAFT BEARING FAILURE. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 11,000. THE VIN WAS NOT AVAILABLE.
SECOND GEAR IN THE TRANSMISSION BROKE. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.