Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
There are Factory Service bulletins for the following Nissan models:
1995-1996 Nissan Maxima
1995-1997 Nissan Sentra/200SX
1996-1997 Nissan Truck
1995-1997 Nissan Altima
1996-1997 Nissan Pathfinder
1995-1996 Nissan 240SX
1996-1997 Nissan Quest
Nissan Factory Service Bulletin OBDII Code P0733
2002 Nissan Sentra
2002 Nissan Altima
2002 Nissan Sentra and Altima Factory Service Bulletin OBDII Code P0733
The cost to diagnose the P0733 Nissan code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
P0733 is detected when A/T cannot be shifted to the 3rd gear position even if electrical circuit is good.
This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by Transmission Control Module (TCM) as follows:
Torque converter slip ratio = A x C/B
A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from Engine Control Module (ECM)
C: Gear ratio determined as gear position which TCM supposes
If the actual gear position is higher than the position (3rd) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.
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