P0729 Infiniti Automatic Transmission 6th Gear Incorrect Ratio
Possible causes
– Low transmission fluid level
– Shift solenoid mechanical fault
– Hydraulic circuit fault
– Transmission failure
– Shift solenoid mechanical fault
– Hydraulic circuit fault
– Transmission failure
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission will not shift into 6th gear
– Transmission will not shift into 6th gear
P0729 Infiniti Description
This malfunction is detected when the A/T does not shift into 6GR position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc.
Infiniti Vehicle:Infiniti EX35,Infiniti FX35,Infiniti FX50,Infiniti G25,Infiniti G37,Infiniti M35,Infiniti M37,Infiniti M56,Infiniti QX562013 Infiniti,2012 Infiniti,2011 Infiniti,2010 Infiniti,2009 Infiniti,2008 Infiniti,2007 Infiniti,2006 Infiniti,2005 Infiniti,2004 Infiniti,2003 Infiniti,2002 Infiniti,2001 Infiniti,2000 Infiniti,1999 Infiniti,1998 Infiniti,1997 Infiniti,1996 Infiniti,