AutoCodesToyota – P0746 2006 Toyota Camry

P0746 2006 Toyota Camry Code - Pressure Control Solenoid 'A' Performance

Quick Answer

The Pressure Control (PC) Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Shift Solenoid Valve SL Remains Closed Or Open. 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 2006 Toyota Camry indicates Pressure Control Solenoid 'A' Performance.
Common causes
Common causes include Low transmission fluid level, Dirty transmission fluid, Shift Solenoid Valve SL Remains Closed Or Open.
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.
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Code Popularity 8,765
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 28, 2024
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Code P0746 2006 Toyota Camry Description

The Pressure Control (PC) Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. As current flow is increased, the magnetic field produced by the coil moves the solenoid’s plunger further away from the exhaust port. Opening the exhaust port decreases the output fluid pressure regulated by the PC solenoid valve, which ultimately decreases line pressure. The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM). The Diagnostic Trouble Code (DTC) will be set when the gear required by the Engine Control Module (ECM) does not match the actual gear when driving.
OBDII Code P0746 2006 Toyota Camry - Pressure Control Solenoid 'A' Performance - AutoCodes.com
P0746 2006 Toyota Camry Code - Pressure Control Solenoid 'A' Performance

What are the Possible Causes of the DTC P0746 2006 Toyota Camry?

  • Low transmission fluid level
  • Dirty transmission fluid
  • Shift Solenoid Valve SL Remains Closed Or Open
  • Faulty line pressure solenoid valve
  • Line pressure solenoid valve harness is open or shorted
  • Line pressure solenoid valve circuit poor electrical connection

How to Fix the DTC P0746 2006 Toyota Camry?

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 P0746 2006 Toyota Camry 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.

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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 2006 Toyota Camry Code

1. What does the OBDII code P0746 mean on a 2006 Toyota Camry?

P0746 indicates a problem with the Pressure Control Solenoid 'A' in the transmission, which may not be functioning properly to regulate hydraulic pressure.

2. What are the common symptoms of code P0746 on a 2006 Toyota Camry?

Symptoms may include harsh or erratic shifting, transmission slipping, poor fuel economy, or the vehicle going into limp mode.

3. What causes the P0746 code to appear on a 2006 Toyota Camry?

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

4. How can I fix the P0746 code on my 2006 Toyota Camry?

Start by checking the transmission fluid level and condition, replacing it if necessary. If the issue persists, inspect or replace the pressure control solenoid and check for wiring or connector damage.

5. Can I drive my 2006 Toyota Camry with a P0746 code?

Driving with this code is not recommended, as it can lead to further damage to the transmission and negatively impact vehicle performance.

6. How much does it cost to repair the P0746 code on a 2006 Toyota Camry?

Repair costs vary, but replacing the pressure control solenoid can range from $200 to $500, while more extensive transmission repairs may cost significantly more.

7. Can a low transmission fluid level trigger the P0746 code?

Yes, low or contaminated transmission fluid can cause improper solenoid operation and trigger the P0746 code.

8. How do I diagnose the P0746 code on my 2006 Toyota Camry?

Use an OBDII scanner to confirm the code, then inspect the transmission fluid, solenoid wiring, and connectors. Further testing may require a mechanic to perform pressure tests or solenoid resistance checks.

9. Will resetting the check engine light fix the P0746 code temporarily?

Resetting the light may clear the code temporarily, but it won’t resolve the underlying issue, which will likely cause the code to return.

10. Is the P0746 code related to other transmission issues?

Yes, it can be linked to broader transmission problems, such as internal hydraulic leaks or mechanical failures, if not addressed promptly.

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