P0766 Toyota Code - Shift Solenoid 'D' Performance
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 'D' 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 Toyota indicates Shift Solenoid 'D' Performance.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'D' 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.
Code P0766 Toyota Description
What are the Possible Causes of the DTC P0766 Toyota?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 'D' valve
- Shift solenoid 'D' valve harness or connectors
- Shift solenoid 'D' valve circuit is open or shorted
How to Fix the DTC P0766 Toyota?
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 Toyota 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 Toyota code?
Need more information on how to fix the P0766 Toyota code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0766 Toyota code diagnosed by a professional: Find a repair shop in your area
Information for Specific Toyota Models
- P0766 2006 Toyota Camry — Shift Solenoid 'D' Performance Shift Solenoid Valve S4
- P0766 2007 Toyota Camry — Shift Solenoid 'D' Performance Shift Solenoid Valve S4
- P0766 2008 Toyota Camry — Shift Solenoid 'D' Performance Shift Solenoid Valve S4
- P0766 2009 Toyota Camry — Shift Solenoid 'D' Performance Shift Solenoid Valve S4
- P0766 2010 Toyota Camry — Shift Solenoid 'D' Performance Shift Solenoid Valve S4
- P0766 2011 Toyota Camry — Shift Solenoid 'D' Performance Shift Solenoid Valve S4
Frequently Asked Questions about P0766 Toyota Code
No Frequently Asked Questions about P0766 Toyota Code found.
Discuss the causes and fixes for P0766 Toyota OBDII Code
-
Doesn't go in d/overdrive, shifts fine, no noise, notice Miles per gallon going from 26/27 to 23/24
on highway. Going 70 MPH in Drive and any D/Overdrive same RPMS on Tach
transmission fluid full, feels smooth not gritty. ? is this common, easy fix?
anyone with same problem? -
What is your model and year? There is a factory service bulletin for the 2008 Tundra. See "Tech Notes" above.
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