The P0966 trouble code indicates a low voltage condition detected in the control circuit of pressure control solenoid “B”. This solenoid is responsible for regulating the hydraulic pressure in the transmission, which affects the shifting of gears.
P0966 Pressure Control Solenoid “B” Control Circuit Low
Code symptoms P0966.
1. Erratic or harsh shifting.
2. Transmission slipping.
3. Transmission overheating.
4. Vehicle may not shift gears properly.
5. Check Engine Light illuminated.
Causes of the code P0966.
1. Faulty pressure control solenoid “B”.
2. Wiring or connector issues in the pressure control solenoid “B” circuit.
3. Low transmission fluid level.
4. Internal transmission problems.
5. Faulty transmission control module.
Code Solutions P0966.
1. Inspect the pressure control solenoid “B” for any signs of damage or malfunction and replace if necessary.
2. Check the wiring and connectors in the pressure control solenoid “B” circuit for damage, corrosion, or loose connections. Repair or replace any damaged wiring or connectors.
3. Ensure the transmission fluid level is correct and top up if necessary.
4. Perform a thorough inspection of the transmission for any internal problems and repair as needed.
5. Test the transmission control module to ensure it is functioning properly. Replace if necessary.