P0766 Acura Code - Shift Solenoid Valve 'D' Stuck Off
Quick Answer
The P0766 diagnostic trouble code for Acura vehicles indicates that the Shift Solenoid Valve 'D' is stuck off. Common causes include Faulty shift solenoid valve 'D', Low transmission fluid level or dirty transmission fluid, Electrical issues such as a damaged wiring harness or faulty TCM. 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 Acura indicates Shift Solenoid Valve 'D' Stuck Off.
- Common causes
- Common causes include Faulty shift solenoid valve 'D', Low transmission fluid level or dirty transmission fluid, Electrical issues such as a damaged wiring harness or faulty TCM.
- 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 P0766 Acura Description
The P0766 diagnostic trouble code for Acura vehicles indicates that the Shift Solenoid Valve 'D' is stuck off. This solenoid valve is responsible for controlling the flow of transmission fluid to engage or disengage a specific gear. When this solenoid valve is stuck off, it means that it is not allowing the transmission to shift into the designated gear properly. This can lead to issues with gear shifting, causing rough or delayed shifting, poor acceleration, and potentially even the inability to shift gears at all.
Common Causes of P0766 Acura
- Faulty shift solenoid valve 'D'
- Low transmission fluid level or dirty transmission fluid
- Electrical issues such as a damaged wiring harness or faulty TCM
- Internal transmission mechanical problems
- Clogged transmission filter
Symptoms of P0766 Acura
- Rough or delayed shifting
- Poor acceleration
- Inability to shift gears
- Check engine light illuminated
- Transmission slipping
How to Fix P0766 Acura
- Begin by checking the transmission fluid level and condition. If low, top up the fluid to the appropriate level. If dirty, perform a transmission fluid flush and filter replacement.
- Inspect the wiring harness connected to the shift solenoid valve 'D' for any damage or corrosion. Repair or replace as necessary.
- Test the shift solenoid valve 'D' for proper operation using a multimeter. Replace the solenoid valve if it fails the test.
- Clear the trouble code from the TCM memory using an OBD-II scanner.
- Test drive the vehicle to ensure that the issue has been resolved and that the transmission is shifting smoothly.
Cost to Fix P0766 Acura
The cost of repairing a Shift Solenoid Valve 'D' stuck off issue can vary depending on the severity of the problem and the specific Acura model. On average, the parts required for this repair, including the shift solenoid valve itself, can range from $100 to $300. Labor costs can add an additional $150 to $300, bringing the total repair cost to approximately $250 to $600. Keep in mind that these estimates are rough averages, and actual costs may differ based on the location and labor rates at the auto repair shop. It is recommended to obtain quotes from multiple repair shops to find the best price for the repair.
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