Engine-Codes - Infiniti - P0729 Infiniti

P0729 Infiniti Code - Automatic Transmission 6th Gear Incorrect Ratio

- Code Popularity: 8,834 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code P0729 Infiniti?

  • Low transmission fluid level
  • Shift solenoid mechanical fault
  • Hydraulic circuit fault
  • Transmission failure

|How to Fix the P0729 Infiniti Code?

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.

|What is the Cost to Diagnose the Code P0729 Infiniti?

Labor: 1.0

The cost to diagnose the P0729 Infiniti 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.

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|What are Code P0729 Infiniti Possible Symptoms?

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

|What Does the P0729 Infiniti Code Mean?

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.

Automatic Transmission 6th Gear Incorrect Ratio

|Need more Information on the P0729 Infiniti Code?

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|Need Help with the P0729 Infiniti Code?

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