Reprogram ECU to Correct Hard Shifting/Wrong Gear Selection on Infiniti G35

Problem Description and Possible Solution

Hard shifting or wrong gear selection may be corrected by reprogramming the automatic transmission ECU.

Problem Data
RepairPal Verified
Average mileage: 137,100 (102,000–212,000)
Drive Train affected: RWD
4 model years affected: 2003, 2005, 2006, 2007
13 people reported this problem
Viewing 1 - 4 of 4 comments
Rough shift between first and second. Jerking motion . Slow acceleration
Wount shift to gears seems like its stuck
I experience very hard shifting and gear selection problems
Car grabs really hard going into second gear, like the whole car jerks.