AutoCodes – Toyota – P0766 2009 Toyota Camry

P0766 2009 Toyota Camry Code - Shift Solenoid 'D' Performance Shift Solenoid Valve S4

Quick Answer

The Engine Control Module (ECM) uses signals from the output shaft speed sensor and input speed sensor to detect the actual gear position (1st, 2nd, 3rd or O/D gear). Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid S4 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: P0766 2009 Toyota Camry indicates Shift Solenoid 'D' Performance Shift Solenoid Valve S4 .
Common causes: Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid S4 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 8,204

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0766 2009 Toyota Camry Description

The Engine Control Module (ECM) uses signals from the output shaft speed sensor and input speed sensor to detect the actual gear position (1st, 2nd, 3rd or O/D gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of the shift solenoid valves, valve body or automatic transaxle (clutch, brake, gear, etc.).

OBDII Code P0766 2009 Toyota Camry - Shift Solenoid 'D' Performance Shift Solenoid Valve S4 - AutoCodes.com — P0766 2009 Toyota Camry Code - Shift Solenoid 'D' Performance Shift Solenoid Valve S4

What does this mean?

What are the Possible Causes of the DTC P0766 2009 Toyota Camry?

Low transmission fluid level
Dirty transmission fluid
Faulty shift solenoid S4 valve
Shift solenoid S4 valve harness or connectors
Shift solenoid S4 valve circuit is open or shorted
Valve body blocked

How to Fix the DTC P0766 2009 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0766 2009 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.

Need more information about the P0766 2009 Toyota Camry code?

Need more information on how to fix the P0766 2009 Toyota Camry 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 P0766 2009 Toyota Camry Code

1. What are the common symptoms of OBDII code P0766 in a 2009 Toyota Camry?

The common symptoms include erratic shifting, transmission slippage, poor fuel efficiency, and the transmission may remain stuck in a single gear.

2. What does OBDII code P0766 Shift Solenoid 'D' Performance Shift Solenoid Valve S4 mean?

This code indicates that there is a performance issue with shift solenoid 'D' in the transmission, specifically shift solenoid valve S4.

3. What are the possible causes of OBDII code P0766 in a 2009 Toyota Camry?

The common causes of this code include a faulty shift solenoid 'D', low transmission fluid, a clogged transmission filter, or wiring issues in the transmission system.

4. How can I diagnose the Shift Solenoid 'D' in a 2009 Toyota Camry for OBDII code P0766?

Diagnosing the shift solenoid 'D' involves checking the wiring connections, testing the solenoid for proper operation, and inspecting the transmission fluid level and condition.

5. Can I continue to drive my 2009 Toyota Camry with OBDII code P0766?

It is not recommended to drive the vehicle with this code as it can lead to further damage to the transmission. It is best to address the issue promptly.

6. How can I repair OBDII code P0766 in my 2009 Toyota Camry?

The repair process may involve replacing the faulty shift solenoid 'D', performing a transmission fluid flush and filter replacement, or addressing any wiring issues in the transmission system.

7. Will resetting the OBDII code P0766 make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the problem again.

8. How much does it cost to fix OBDII code P0766 in a 2009 Toyota Camry?

The cost of fixing this code can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars if professional repairs are needed.

9. Can a DIY enthusiast fix OBDII code P0766 in a 2009 Toyota Camry?

Depending on the skill level and tools available, some DIY enthusiasts may be able to address this code by replacing the shift solenoid 'D' or performing basic transmission maintenance tasks.

10. How often does OBDII code P0766 occur in a 2009 Toyota Camry?

The occurrence of this code can vary, but it is not uncommon in older vehicles with higher mileage or inadequate transmission maintenance. Regular servicing can help prevent such issues.