There are 4 stored owner reports matching the powertrain & transmission leading-label group for the 2001 Nissan Altima 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 4 of 4 matching reports.
Open the full vehicle complaint log (all categories)THE AUTOMOBILE ACCELERATED WHILE THE CONSUMER'S FOOT WAS ON THE BRAKE. THE CONSUMER TOOK THE VEHICLE TO THE DEALER/MECHANIC THREE TIMES AND BECAUSE THE VEHICLE DID NOT DUPLICATE THE PROBLEM, THE MECHANIC WAS UNABLE TO FIND OUT WHAT WAS HAPPENING WITH THE AUTOMOBILE. THE THIRD TIME HE JUST LEFT THE VEHICLE WITH MECHANIC/DEALER SO THAT THEY MAY DRIVE THE AUTOMOBILE TO SEE IF THE PROBLEM RESURFACED. *AK THE VEHICLE WAS SHIFTED INTO DRIVE BUT WENT INTO REVERSE. *SCC *JB
AT 70MPH CAR GIVES A BIG JOLT AND WITH NO WARNING, TRANSMISSION DROPS FROM FOURTH GEAR, ENGINE REVS TO 6500 RPM (ENGINE IN RED LINE AT 6300), CAR PULLS SHARPLY TO RIGHT. ANOTHER HEAVY JOLT, AND ENGINE REVS DROP TO NORMAL AND TRANSMISSION GOES BACK TO FOURTH GEAR.
WHEN SHIFTING VEHICLE INTO 5TH GEAR, GRINDING NOISE IS HEARD. VEHICLE ONLY HAS 900 MILES. DEALER INDICATED THAT TRANSMISSION NEEDED TO BE ADJUSTED.*AK
ON SEVERAL OCCASIONS THE SHIFT ASSEMBLY WOULD STICK IN THE PARK POSITION, MECHANIC REPLACED SHIFTER AND STATED THAT LIQUID OR JUICE CAUSED INTERLOCK RELEASE TO STICK, CONSUMER INVESTIGATED AND FOUND A FAULTY SOLENOID. *TT
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.