AutoCodes – Nissan – P0733 Nissan

P0733 Nissan Code - 3rd. Gear Malfunction

Quick Answer

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. Common causes include Low transmission fluid level, Dirty transmission fluid, Shift solenoids. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0733 Nissan indicates 3rd. Gear Malfunction.
Common causes
Common causes include Low transmission fluid level, Dirty transmission fluid, Shift solenoids.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 50,850
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Jun 30, 2020
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Code P0733 Nissan Description

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.
OBDII Code P0733 Nissan - 3rd. Gear Malfunction - AutoCodes.com
P0733 Nissan Code - 3rd. Gear Malfunction

What are the Possible Causes of the DTC P0733 Nissan?

  • Low transmission fluid level
  • Dirty transmission fluid
  • Shift solenoids
  • Transmission mechanical problems
  • Transmission hydraulic control circuit

How to Fix the DTC P0733 Nissan?

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

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0733 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0733 Nissan code?

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Need Help with the Code?

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Information for Specific Nissan Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0733 Nissan Code

1. What are the common symptoms of OBDII code P0733 in a Nissan indicating a 3rd gear malfunction?

- Common symptoms include harsh shifting into third gear, delayed engagement, slipping in third gear, and the transmission staying in second gear.

2. What are the possible causes of OBDII code P0733 in a Nissan?

- The code P0733 can be triggered by issues such as low transmission fluid, a faulty shift solenoid, a worn-out clutch, a malfunctioning valve body, or internal transmission damage.

3. How can I diagnose OBDII code P0733 in my Nissan?

- Diagnosis typically involves checking the transmission fluid level and condition, performing a thorough visual inspection of transmission components, and using a scan tool to monitor transmission data and identify specific issues.

4. Can driving with OBDII code P0733 in a Nissan cause further damage?

- Continuing to drive with code P0733 can potentially lead to more severe transmission damage if the underlying issue is not addressed promptly. It is recommended to have the vehicle inspected and repaired as soon as possible.

5. How can I repair OBDII code P0733 in my Nissan related to 3rd gear malfunction?

- Repair options may include topping up or replacing the transmission fluid, repairing or replacing faulty components like the shift solenoid or clutch, performing a transmission fluid flush, or rebuilding the transmission if necessary.

6. Is it safe to continue driving my Nissan with OBDII code P0733 present?

- It is not advisable to continue driving the vehicle with code P0733 as it can lead to further transmission problems or potential safety risks. It is best to have the issue diagnosed and repaired by a qualified mechanic.

7. How much does it typically cost to fix OBDII code P0733 in a Nissan?

- The cost of repairing code P0733 can vary depending on the root cause of the issue, the extent of the damage, and the labor rates in your area. Repairs may range from a few hundred to over a thousand dollars.

8. Can resetting the OBDII code P0733 in a Nissan make the issue go away?

- Resetting the code may temporarily clear the warning light, but the underlying problem causing code P0733 will likely persist. It is essential to diagnose and address the root cause to prevent further issues.

9. Are there any preventive measures to avoid OBDII code P0733 in my Nissan?

- Regular maintenance, such as checking and changing the transmission fluid as recommended, can help prevent issues that lead to code P0733. Additionally, driving gently and avoiding aggressive acceleration can reduce strain on the transmission.

10. Will code P0733 cause my Nissan to go into "limp mode"?

- In some cases, OBDII code P0733 can trigger the transmission to go into a "limp mode" to protect the vehicle from further damage. This mode typically limits the transmission to one or two gears to allow for safe driving to a repair facility.

Discuss the causes and fixes for P0733 Nissan OBDII Code

  • Please anyone can help it bin a month my nissan quest 2005 in a mechani shop
    When im driving 3rd gear doesn't go on
    Can someone help???

  • There are many things that could cause that problem, but due to the age of your Quest, you may have to rebuild the transmission.

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