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

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

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Average mileage: 141,801 (102,000–212,000)
Drive Train affected: RWD
3 model years affected: 2003, 2005, 2006
6 people reported this problem
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problem details
2003 Infiniti G35 111,403 mi,
Rough shift between first and second. Jerking motion . Slow acceleration
2006 Infiniti G35 - RWD 102,000 mi,
Wount shift to gears seems like its stuck
I experience very hard shifting and gear selection problems