Engine-CodesToyota – P0746 2017 Toyota RAV4

P0746 2017 Toyota RAV4 Code - Pressure Control Solenoid 'A' Performance

Quick Answer

The P0746 diagnostic trouble code (DTC) for a 2017 Toyota RAV4 refers to an issue with the Pressure Control Solenoid 'A' Performance. Common causes include Faulty pressure control solenoid 'A', Wiring or electrical 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 2017 Toyota RAV4 indicates Pressure Control Solenoid 'A' Performance.
Common causes
Common causes include Faulty pressure control solenoid 'A', Wiring or electrical 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.
Table of contents Created and updated by William Orellana on Sep 18, 2024
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Code P0746 2017 Toyota RAV4 Description

The P0746 diagnostic trouble code (DTC) for a 2017 Toyota RAV4 refers to an issue with the Pressure Control Solenoid 'A' Performance. This code is specifically related to the automatic transmission system of the vehicle. The pressure control solenoid 'A' is responsible for regulating the hydraulic pressure within the transmission, which is crucial for smooth shifting and overall transmission performance.

OBDII Code P0746 2017 Toyota RAV4 - Pressure Control Solenoid 'A' Performance
P0746 2017 Toyota RAV4 Code - Pressure Control Solenoid 'A' Performance

Common Causes of P0746 2017 Toyota RAV4

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

Symptoms of P0746 2017 Toyota RAV4

  1. Harsh or delayed shifting
  2. Erratic transmission behavior
  3. Transmission slipping
  4. Illuminated check engine light
  5. Reduced fuel efficiency

How to Fix P0746 2017 Toyota RAV4

  1. Begin by diagnosing the specific cause of the P0746 code using a professional OBD-II scanner.
  2. Inspect the pressure control solenoid 'A' and its wiring for any signs of damage or malfunction.
  3. Check the transmission fluid level and quality, topping up or replacing as needed.
  4. If necessary, replace the pressure control solenoid 'A' and clear the DTC from the vehicle's computer.
  5. Test drive the vehicle to ensure that the transmission is operating smoothly and that the code does not reappear.

Cost to Fix P0746 2017 Toyota RAV4

The typical repair costs for addressing a P0746 code on a 2017 Toyota RAV4 can vary depending on the specific cause of the issue. In general, replacing a pressure control solenoid 'A' can range from $200 to $500, including parts and labor. Additional costs may be incurred if there are other underlying transmission problems that need to be addressed. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check local rates for a more accurate estimate.

Tech Notes for P0746 2017 Toyota RAV4

When a transmission solenoid malfunction, 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, remove 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 2017 Toyota RAV4 Code

1. What are the common symptoms of OBDII code P0746 in a 2017 Toyota RAV4?

- Common symptoms include harsh shifting, transmission slipping, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What does OBDII code P0746 in a 2017 Toyota RAV4 mean?

- OBDII code P0746 indicates a performance issue with the Pressure Control Solenoid 'A' in the transmission.

3. What are the possible causes of OBDII code P0746 in a 2017 Toyota RAV4?

- The potential causes of this code can include a faulty pressure control solenoid 'A', low transmission fluid level, dirty or contaminated transmission fluid, or electrical issues.

4. How serious is OBDII code P0746 in a 2017 Toyota RAV4?

- While the vehicle may still be drivable with this code, it is important to address it promptly to prevent further damage to the transmission and ensure optimal performance.

5. How can I diagnose OBDII code P0746 in a 2017 Toyota RAV4?

- Diagnosis typically involves using a scan tool to retrieve the trouble codes, checking the transmission fluid level and condition, and inspecting the pressure control solenoid 'A' for proper operation.

6. Can I drive my 2017 Toyota RAV4 with OBDII code P0746?

- It is best to avoid driving the vehicle for an extended period with this code present to prevent potential damage to the transmission. Seek professional diagnosis and repair as soon as possible.

7. How much does it cost to repair OBDII code P0746 in a 2017 Toyota RAV4?

- The cost of repair can vary depending on the underlying cause of the code and the extent of the damage. It is recommended to get a diagnostic inspection from a qualified mechanic for an accurate estimate.

8. Can I reset OBDII code P0746 in a 2017 Toyota RAV4 myself?

- While you can clear the code using an OBDII scanner, it is crucial to address the root cause of the issue to prevent the code from reoccurring. Clearing the code without fixing the problem may lead to further issues.

9. Will OBDII code P0746 cause my 2017 Toyota RAV4 to fail an emissions test?

- Yes, if the Check Engine Light is illuminated due to code P0746, your vehicle may fail an emissions test. It is recommended to address the issue and have the code cleared before undergoing emissions testing.

10. How long does it take to repair OBDII code P0746 in a 2017 Toyota RAV4?

- The repair time can vary based on the specific cause of the code and the complexity of the repair needed. It is advisable to consult with a professional technician to get an accurate estimate of the repair duration.

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