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P0746 2010 Toyota Camry Code - Pressure Control Solenoid 'A' Performance

Quick Answer

The OBD-II code P0746 in a 2010 Toyota Camry specifically refers to an issue with the Pressure Control Solenoid 'A', indicating a performance problem. Common causes include Faulty pressure control solenoid 'A', Wiring or connector issues, Low transmission fluid levels. 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
P0746 2010 Toyota Camry indicates Pressure Control Solenoid 'A' Performance.
Common causes
Common causes include Faulty pressure control solenoid 'A', Wiring or connector issues, Low transmission fluid levels.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0746 2010 Toyota Camry Description

The OBD-II code P0746 in a 2010 Toyota Camry specifically refers to an issue with the Pressure Control Solenoid 'A', indicating a performance problem. The pressure control solenoid is a vital component of the transmission system, responsible for regulating the hydraulic pressure within the transmission. This pressure control is crucial for smooth gear shifts and overall transmission function.

OBDII Code P0746 2010 Toyota Camry - Pressure Control Solenoid 'A' Performance
P0746 2010 Toyota Camry Code - Pressure Control Solenoid 'A' Performance

Common Causes of P0746 2010 Toyota Camry

  1. Faulty pressure control solenoid 'A'
  2. Wiring or connector issues
  3. Low transmission fluid levels
  4. Internal transmission damage
  5. Electrical problems within the transmission system

Symptoms of P0746 2010 Toyota Camry

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Erratic behavior while driving
  4. Inability to shift gears
  5. Illumination of the Check Engine Light

How to Fix P0746 2010 Toyota Camry

  1. Perform a diagnostic scan to confirm the P0746 code and identify the specific cause of the performance issue.
  2. Inspect the pressure control solenoid 'A', wiring, and connectors for any signs of damage or wear.
  3. Check the transmission fluid level and condition, topping up or replacing as necessary.
  4. Replace the faulty pressure control solenoid 'A' if deemed necessary, ensuring proper installation and calibration.
  5. Clear the diagnostic trouble codes, reset the transmission adaptation values, and test drive the vehicle to verify the repair.

Cost to Fix P0746 2010 Toyota Camry

The typical repair costs for addressing the P0746 code in a 2010 Toyota Camry can range from $200 to $600, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that prices can vary significantly based on the location, the auto repair shop's rates, and the availability of parts. Additionally, diagnostic time and labor rates can impact the final cost, with rates typically ranging from $80 to $150 per hour. It is advisable to obtain quotes from multiple repair shops to ensure a competitive price for the repair.

What does this mean?

Tech Notes for P0746 2010 Toyota Camry

When a transmission solenoid is malfunctioned, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is dirty, it's recommended to change the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a mechanical transmission failure and that the transmission will need to be rebuilt or replaced.

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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.

Frequently Asked Questions about P0746 2010 Toyota Camry Code

1. What does the OBDII code P0746 mean on a 2010 Toyota Camry?

P0746 indicates a performance issue with the Pressure Control Solenoid 'A' in the transmission, which regulates hydraulic pressure for proper shifting.

2. What are the common symptoms of P0746 in a 2010 Toyota Camry?

Symptoms may include harsh or delayed shifting, transmission slipping, decreased fuel efficiency, or the vehicle going into limp mode.

3. What causes the P0746 code in a 2010 Toyota Camry?

Common causes include a faulty pressure control solenoid, dirty or low transmission fluid, clogged fluid passages, or internal transmission damage.

4. Can I drive my 2010 Toyota Camry with the P0746 code?

It’s not recommended to drive for long with this code active, as it can lead to further transmission damage or unsafe driving conditions.

5. How can I diagnose the P0746 code in my 2010 Toyota Camry?

Diagnosis typically involves scanning the vehicle for codes, checking transmission fluid condition, testing the solenoid, and inspecting wiring and connectors for damage.

6. How do I fix the P0746 code on a 2010 Toyota Camry?

Repairs may include replacing the pressure control solenoid, flushing the transmission fluid, repairing wiring issues, or rebuilding the transmission if damage is severe.

7. How much does it cost to repair a P0746 code on a 2010 Toyota Camry?

Repair costs can range from $200–$500 for a solenoid replacement, but a full transmission rebuild could cost $2,000 or more if internal damage exists.

8. Can dirty transmission fluid trigger the P0746 code?

Yes, dirty or contaminated transmission fluid can restrict hydraulic flow and cause solenoid performance issues, triggering this code.

9. What happens if I ignore the P0746 code on a 2010 Toyota Camry?

Ignoring the code can lead to worsening transmission performance, potential failure, and costly repairs in the long run.

10. Is the P0746 code a common problem for the 2010 Toyota Camry?

While not extremely common, it can occur due to aging transmission components or lack of regular maintenance, such as fluid changes.

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