Engine-CodesToyota – P0733 Toyota

P0733 Toyota Code - Gear 3 Incorrect Ratio

Quick Answer

The P0733 diagnostic trouble code (DTC) for Toyota vehicles indicates that there is an issue with the third gear's ratio in the transmission. Common causes include Low transmission fluid levels, Faulty transmission solenoids, Worn clutch packs. 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 Toyota indicates Gear 3 Incorrect Ratio.
Common causes
Common causes include Low transmission fluid levels, Faulty transmission solenoids, Worn clutch packs.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0733 Toyota Description

The P0733 diagnostic trouble code (DTC) for Toyota vehicles indicates that there is an issue with the third gear's ratio in the transmission. This means that the transmission is not shifting into the correct gear ratio when the vehicle is in third gear, leading to potential drivability issues. When the transmission does not shift properly, it can cause the engine to work harder than necessary, leading to decreased fuel efficiency and overall performance.

OBDII Code P0733 Toyota - Gear 3 Incorrect Ratio
P0733 Toyota Code - Gear 3 Incorrect Ratio

Common Causes of P0733 Toyota

  1. Low transmission fluid levels
  2. Faulty transmission solenoids
  3. Worn clutch packs
  4. Faulty transmission control module (TCM)
  5. Mechanical issues within the transmission

Symptoms of P0733 Toyota

  1. Harsh or delayed shifting between gears
  2. Slipping gears while driving
  3. Decreased fuel efficiency
  4. Illuminated Check Engine Light
  5. Engine revving without corresponding acceleration

How to Fix P0733 Toyota

  1. Check and top up transmission fluid levels to the correct level.
  2. Inspect and replace any faulty transmission solenoids.
  3. Inspect and replace any worn clutch packs.
  4. Diagnose and replace a faulty transmission control module (TCM).
  5. If mechanical issues are found within the transmission, a rebuild or replacement may be necessary.

Cost to Fix P0733 Toyota

The cost estimate for resolving a P0733 code in a Toyota vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost for parts and labor for this type of repair can range from $500 to $1500. It's important to note that labor rates can vary between different auto repair shops, with hourly rates typically ranging from $80 to $150. Additionally, the cost of any necessary parts or components will also impact the overall repair cost. It's recommended to obtain quotes from several reputable auto repair shops to get an accurate estimate for the repair.

Tech Notes for P0733 Toyota

Start by inspecting the transmission fluid level and condition, and change fluid if necessary.

When is the Code Detected?

P0733 is detected when A/T cannot be shifted to the 3rd gear position even if electrical circuit is good.

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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.

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