Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
Your car has a part that helps it change gears smoothly. This code means that part is getting too much electricity, which can make it not work right.
The torque converter clutch (TCC) pressure control solenoid is responsible for regulating the hydraulic pressure applied to the torque converter clutch. This code indicates that the current in the sense circuit for this solenoid is higher than expected.
The P17D8 code is triggered when the powertrain control module (PCM) detects that the current in the torque converter clutch pressure control solenoid sense circuit is too high. This could be due to a short circuit, a faulty solenoid, or an issue with the wiring.
• Transmission slipping
• Poor fuel economy
• Check Engine Light illuminated
• Faulty torque converter clutch pressure control solenoid
• Short circuit in the wiring harness
• Faulty PCM
Torque Converter: A device that transfers rotating power from the engine to the transmission.
Solenoid: An electromechanical device that controls fluid flow.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the solenoid for proper operation.
• Replace the faulty solenoid.
• Repair or replace damaged wiring.
• Replace the PCM if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$200 - $600
Moderate
• Chevrolet Cruze
• Ford Focus
• Honda Accord
• Regular transmission maintenance
• Avoiding harsh driving conditions
• Ensuring proper electrical connections
Transmission Issue
• Avoid driving at high speeds until repaired.
• Consult a professional mechanic for diagnosis.
Check with your vehicle manufacturer for warranty coverage on transmission components.
This code is commonly associated with vehicles that have electronic transmission controls and has been reported more frequently in models with higher mileage.
Moderate – It is recommended to address this issue soon to prevent further transmission damage.
Driving with a faulty transmission can lead to unsafe driving conditions. It is advised to have the issue resolved promptly.
• Vehicle at operating temperature
• Transmission in drive
The torque converter clutch solenoid is typically located inside the transmission, near the valve body.
Q: Can I drive with a P17D8 code?
A: It's best to avoid driving long distances or at high speeds until the issue is fixed, as it can lead to further transmission damage.
Q: How do I clear a P17D8 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is resolved, the code should not return.
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