AutoCodes – Toyota – P0766 2008 Toyota Camry

P0766 2008 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 2008 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 7,651

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 2008 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 2008 Toyota Camry - Shift Solenoid 'D' Performance Shift Solenoid Valve S4 - AutoCodes.com — P0766 2008 Toyota Camry Code - Shift Solenoid 'D' Performance Shift Solenoid Valve S4

What does this mean?

What are the Possible Causes of the DTC P0766 2008 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 2008 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 2008 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 2008 Toyota Camry code?

Need more information on how to fix the P0766 2008 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 2008 Toyota Camry Code

1. What does the OBDII code P0766 mean on a 2008 Toyota Camry?

P0766 indicates an issue with Shift Solenoid 'D' (S4), specifically related to its performance or operation within the transmission system.

2. What are the common symptoms of code P0766 in a 2008 Toyota Camry?

Symptoms may include harsh or delayed shifting, inability to shift into certain gears, transmission slipping, reduced fuel efficiency, or the check engine light being illuminated.

3. What causes the P0766 code to appear on a 2008 Toyota Camry?

Common causes include a faulty shift solenoid 'D', transmission fluid that is dirty or low, wiring or connector issues in the solenoid circuit, or internal transmission problems.

4. Can I drive my 2008 Toyota Camry with a P0766 code?

Driving with this code is not recommended, as it can cause further transmission damage and lead to unsafe driving conditions due to shifting issues.

5. How do I diagnose a P0766 code on a 2008 Toyota Camry?

Diagnosis typically involves scanning the vehicle with an OBDII tool, inspecting the shift solenoid 'D', checking transmission fluid levels and quality, and testing the solenoid circuit for electrical faults.

6. What repairs are needed to fix the P0766 code on a 2008 Toyota Camry?

Repairs may include replacing the shift solenoid 'D', performing a transmission fluid change or flush, repairing damaged wiring or connectors, or in severe cases, rebuilding or replacing the transmission.

7. How much does it cost to fix a P0766 code in a 2008 Toyota Camry?

Repair costs vary, but replacing a shift solenoid typically ranges from $200 to $500, while a full transmission rebuild could cost $2,000 or more.

8. Can dirty transmission fluid cause a P0766 code in a 2008 Toyota Camry?

Yes, dirty or contaminated transmission fluid can affect solenoid operation and lead to code P0766. A fluid change or flush may resolve the issue if no other damage is present.

9. How can I prevent a P0766 code from occurring on my 2008 Toyota Camry?

Regularly check and replace transmission fluid as recommended, address transmission issues promptly, and ensure proper maintenance of your vehicleâ€™s electrical system.

10. Is a P0766 code specific to the shift solenoid 'D' in a 2008 Toyota Camry?

Yes, this code specifically refers to performance issues with shift solenoid 'D' (also known as the S4 solenoid) within the transmission system.