Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with an electrical part that helps control the pressure of the transmission fluid. It's like a switch that isn't working right.
The P0963 code indicates that the transmission control module has detected a higher than expected voltage in the control circuit of the pressure control solenoid A.
The pressure control solenoid A is responsible for regulating the hydraulic pressure in the transmission. When the control circuit voltage is higher than expected, it suggests an electrical issue such as a short to voltage or an open circuit.
• Transmission slipping
• Harsh or erratic shifting
• Illuminated check engine light
• Faulty pressure control solenoid A
• Wiring issues such as a short to power or open circuit
• Faulty transmission control module (TCM)
Solenoid: An electromechanical device that converts electrical energy into mechanical movement.
Transmission Control Module (TCM): A computer that controls the operation of the vehicle's transmission.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the pressure control solenoid A for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the faulty pressure control solenoid A.
• Reprogram or replace the transmission control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Honda Accord
• Toyota Camry
• Ford F-150
• Regular transmission fluid changes.
• Routine inspection of transmission wiring.
• Avoid aggressive driving habits.
Transmission Control Issue
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for accurate diagnosis.
Check if the transmission is covered under the vehicle's powertrain warranty.
This code has been associated with electrical issues in the transmission control circuit, commonly requiring solenoid replacement.
Moderate – Should be addressed soon to prevent transmission damage.
Ignoring transmission issues can lead to safety hazards and more expensive repairs.
• Engine running
• Transmission at operating temperature
The pressure control solenoid A is located within the transmission valve body.
Q: Can I drive with a P0963 code?
A: It's not recommended to drive with this code as it can lead to further transmission damage.
Q: How is the pressure control solenoid tested?
A: A multimeter can be used to check the solenoid's resistance and ensure proper operation.
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