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P0729 Nissan Code - Automatic Transmission 6th Gear Incorrect Ratio

- Code Popularity: 10,618 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0729 Nissan?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Low transmission fluid level
  • Shift solenoid mechanical fault
  • Hydraulic circuit fault
  • Transmission failure
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How to Fix the DTC P0729 Nissan?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

There is a Factory Service Bulletin for the 2009-2011 Nissan GT-R:
2009-2011 Nissan GT-R Factory Service Bulletin OBDII Code P0729

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0729 Nissan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission will not shift into 6th gear

Code P0729 Nissan 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.

OBDII Code P0729 Nissan - Automatic Transmission 6th Gear Incorrect Ratio - AutoCodes.com
P0729 Nissan Code - Automatic Transmission 6th Gear Incorrect Ratio

Need More Information on the Code?

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Code P0729 Nissan comments

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