AutoCodes – Toyota – P0770 2002 Toyota Echo

P0770 2002 Toyota Echo Code - Shift Solenoid 'E' Malfunction

Quick Answer

The ECM uses the signals from the Throttle Position Sensor and Air flow Meter to monitor the engagement condition of the lock up clutch. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'E' valve. 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: P0770 2002 Toyota Echo indicates Shift Solenoid 'E' Malfunction.
Common causes: Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'E' valve.
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 5,978

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0770 2002 Toyota Echo Description

The ECM uses the signals from the Throttle Position Sensor and Air flow Meter to monitor the engagement condition of the lock up clutch. Then the ECM compares the engagement condition of the lock up clutch with the lock up schedule in the ECM memory to detect mechanical trouble of the shift solenoid valve SLU, valve body, torque converter clutch and automatic transmission assembly

OBDII Code P0770 2002 Toyota Echo - Shift Solenoid 'E' Malfunction - AutoCodes.com — P0770 2002 Toyota Echo Code - Shift Solenoid 'E' Malfunction

What does this mean?

What are the Possible Causes of the DTC P0770 2002 Toyota Echo?

Low transmission fluid level
Dirty transmission fluid
Faulty shift solenoid 'E' valve
Shift solenoid 'E' valve harness is open or shorted
Shift solenoid 'E' valve circuit poor electrical connection
ECM

How to Fix the DTC P0770 2002 Toyota Echo?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0770 2002 Toyota Echo 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.

Need more information about the P0770 2002 Toyota Echo code?

Need more information on how to fix the P0770 2002 Toyota Echo code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P0770 2002 Toyota Echo Code

1. What does the OBDII code P0770 in a 2002 Toyota Echo indicate?

The P0770 code indicates a malfunction in Shift Solenoid 'E' within the transmission control system.

2. What are the common symptoms of a Shift Solenoid 'E' malfunction?

Common symptoms include harsh shifting, delayed or erratic shifting, transmission slipping, and the transmission getting stuck in a particular gear.

3. What are the possible causes of a Shift Solenoid 'E' malfunction in a 2002 Toyota Echo?

Causes can include a faulty shift solenoid 'E', low transmission fluid levels, dirty or contaminated transmission fluid, wiring issues, or a malfunctioning transmission control module.

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

Diagnosis typically involves using an OBDII scanner to retrieve the P0770 code, checking the transmission fluid level and condition, inspecting the wiring and connectors related to the shift solenoid, and performing a thorough transmission system check.

5. Is it safe to continue driving with the P0770 code present in my Toyota Echo?

It's not recommended to drive with the P0770 code present, as it can lead to further damage to the transmission and potentially unsafe driving conditions. It's best to address the issue promptly.

6. What is the typical repair process for resolving a Shift Solenoid 'E' malfunction?

Repair may involve replacing the faulty shift solenoid 'E', cleaning or replacing contaminated transmission fluid, repairing any damaged wiring or connectors, or reprogramming the transmission control module.

7. Can I attempt to fix the Shift Solenoid 'E' issue in my Toyota Echo myself?

While some basic troubleshooting like checking fluid levels can be done by DIY enthusiasts, diagnosing and repairing a shift solenoid 'E' issue often requires specialized tools and expertise, so it's recommended to consult a professional mechanic.

8. How much does it cost to repair a Shift Solenoid 'E' problem in a 2002 Toyota Echo?

Repair costs can vary depending on the exact cause of the issue, the extent of the damage, and labor rates in your area. It's advisable to get multiple quotes from reputable mechanics to compare prices.

9. Will resetting the OBDII code P0770 in my Toyota Echo make the issue go away?

Resetting the code may temporarily clear the warning light, but it won't fix the underlying problem causing the P0770 code. It's important to diagnose and address the root cause of the issue to prevent further damage.

10. How can I prevent future Shift Solenoid 'E' malfunctions in my 2002 Toyota Echo?

Regularly servicing your transmission, maintaining proper fluid levels, addressing any leaks promptly, and avoiding aggressive driving can help prevent Shift Solenoid 'E' malfunctions in the future.