Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the car's computer not getting enough power from a part that helps control how smoothly the car shifts gears.
The transmission control module (TCM) has detected that the current in the pressure control solenoid 'A' sense circuit is below the expected range.
The P17C3 code is triggered when the TCM identifies that the electrical current in the pressure control solenoid 'A' sense circuit is lower than the specified threshold. This solenoid is responsible for regulating hydraulic pressure to ensure proper gear shifting. A current that is too low can result from electrical issues such as a short circuit or a faulty solenoid.
• Harsh or erratic shifting
• Transmission slipping
• Illuminated check engine light
• Faulty pressure control solenoid 'A'
• Wiring issues such as an open or short circuit
• Defective transmission control module (TCM)
Solenoid: An electromechanical device used to control fluid flow in the transmission.
TCM: Transmission Control Module, the computer that controls transmission functions.
• 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 TCM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Nissan Altima
• Honda Accord
• Toyota Camry
• Regular transmission fluid changes
• Routine inspection of transmission wiring
• Avoiding harsh driving conditions
Transmission Control Issue
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for an accurate diagnosis.
Check if the vehicle's powertrain warranty covers transmission issues.
This code has been associated with transmission control issues in vehicles with electronic control modules.
High – This issue can lead to transmission failure if not addressed promptly.
Driving with a faulty transmission can be dangerous and may lead to further mechanical damage.
• Vehicle at operating temperature
• Transmission in gear
The pressure control solenoid is located inside the transmission, typically mounted on the valve body.
Q: Can I drive with a P17C3 code?
A: It's not recommended to drive with this code active as it can cause further damage to the transmission.
Q: How can I prevent this code from appearing?
A: Regular maintenance and fluid checks can help prevent transmission issues that trigger this code.
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