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P0773 2002 Toyota Echo Code - Shift Solenoid 'E' Electrical Malfunction

Quick Answer

The P0773 diagnostic trouble code (DTC) for a 2002 Toyota Echo indicates a Shift Solenoid 'E' Electrical Malfunction. Common causes include Faulty Shift Solenoid 'E', Electrical wiring issues, Malfunctioning engine control module (ECM). 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
P0773 2002 Toyota Echo indicates Shift Solenoid 'E' Electrical Malfunction.
Common causes
Common causes include Faulty Shift Solenoid 'E', Electrical wiring issues, Malfunctioning engine control module (ECM).
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 14, 2024
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Code P0773 2002 Toyota Echo Description

The P0773 diagnostic trouble code (DTC) for a 2002 Toyota Echo indicates a Shift Solenoid 'E' Electrical Malfunction. This code is specifically related to the transmission system of the vehicle. The transmission in a car is responsible for shifting gears to provide the appropriate power and speed for driving conditions. The shift solenoids are electro-hydraulic valves that control the flow of transmission fluid to engage the gears. In this case, Shift Solenoid 'E' is not functioning properly electrically, which can lead to issues with gear shifting, performance, and overall drivability of the vehicle.

OBDII Code P0773 2002 Toyota Echo - Shift Solenoid 'E' Electrical Malfunction
P0773 2002 Toyota Echo Code - Shift Solenoid 'E' Electrical Malfunction

Common Causes of P0773 2002 Toyota Echo

  1. Faulty Shift Solenoid 'E'
  2. Electrical wiring issues
  3. Malfunctioning engine control module (ECM)
  4. Low transmission fluid level
  5. Contaminated transmission fluid

Symptoms of P0773 2002 Toyota Echo

  1. Erratic or harsh shifting
  2. Slipping gears
  3. Delayed or hesitant shifting
  4. Stuck in a particular gear
  5. Decreased fuel efficiency

How to Fix P0773 2002 Toyota Echo

  1. Perform a diagnostic scan to confirm the P0773 code and identify the specific issue with Shift Solenoid 'E'.
  2. Inspect the electrical connections and wiring related to the solenoid for any damage or corrosion.
  3. Test the solenoid itself to determine if it is functioning properly or needs to be replaced.
  4. Check the transmission fluid level and condition, topping off or replacing as necessary.
  5. Clear the code from the vehicle's computer system and test drive to ensure proper shifting operation.

Cost to Fix P0773 2002 Toyota Echo

The typical repair costs for addressing a Shift Solenoid 'E' Electrical Malfunction can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's recommended to check local rates for a more accurate estimate before proceeding with the repair.

When is the Code Detected?

The P0773 code is detected when the gear required by the ECM does not match the actual gear when vehicle is driven.

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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 P0773 2002 Toyota Echo Code

1. What does the OBDII code P0773 for a 2002 Toyota Echo mean?

The code P0773 indicates a Shift Solenoid 'E' Electrical Malfunction in the transmission.

2. What are the common symptoms of a Shift Solenoid 'E' Electrical Malfunction in a 2002 Toyota Echo?

Common symptoms include erratic shifting, harsh shifting, transmission slipping, and the transmission not shifting at all.

3. What are the possible causes of the P0773 code in a 2002 Toyota Echo?

Potential causes include faulty shift solenoid 'E', damaged wiring or connectors related to the solenoid, low transmission fluid level, or a failing transmission control module.

4. How can I diagnose the Shift Solenoid 'E' issue in my 2002 Toyota Echo?

Diagnosis typically involves using a scan tool to retrieve the trouble code, inspecting the wiring and connectors for damage, checking the transmission fluid level and condition, and testing the shift solenoid 'E' for proper operation.

5. Can I continue driving my 2002 Toyota Echo with the P0773 code?

It is not recommended to drive the vehicle with the P0773 code present, as it can lead to further damage to the transmission and potentially leave you stranded.

6. How can I repair the Shift Solenoid 'E' Electrical Malfunction in my 2002 Toyota Echo?

Repairing the issue may involve replacing the faulty shift solenoid 'E', repairing or replacing damaged wiring or connectors, ensuring proper transmission fluid levels, or addressing any issues with the transmission control module.

7. Is it possible to reset the P0773 code in a 2002 Toyota Echo without addressing the underlying issue?

While you can clear the trouble code with a scan tool, it is essential to address the root cause of the problem to prevent further transmission issues.

8. How much does it typically cost to fix the P0773 code in a 2002 Toyota Echo?

The cost of repairs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars when factoring in parts and labor.

9. Are there any preventive maintenance tips to avoid the Shift Solenoid 'E' Electrical Malfunction in a 2002 Toyota Echo?

Regularly checking and servicing the transmission fluid, addressing any leaks promptly, and keeping up with recommended transmission maintenance can help prevent issues like the P0773 code.

10. Can I fix the Shift Solenoid 'E' issue in my 2002 Toyota Echo myself, or should I take it to a professional mechanic?

While some DIY enthusiasts may be able to tackle the repair, diagnosing and fixing transmission issues can be complex. It is often best to consult a professional mechanic with experience in transmission repairs for accurate diagnosis and proper repairs.

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