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 parking lock, which helps keep the car from rolling away when parked, isn't working right.
The P17D2 code indicates an issue with the parking lock mechanism in the transmission, suggesting it is not engaging or disengaging properly.
The P17D2 code is triggered when the transmission control module (TCM) detects a fault in the parking lock system. This system is responsible for mechanically locking the transmission to prevent the vehicle from moving when parked. A malfunction can occur due to electrical, mechanical, or hydraulic issues within the transmission.
• Vehicle rolls when parked
• Warning light on the dashboard
• Difficulty shifting into or out of park
• Faulty parking lock solenoid
• Wiring issues or poor electrical connections
• Mechanical failure in the parking lock mechanism
Transmission: A system in a vehicle that transmits power from the engine to the wheels.
Solenoid: An electromechanical device that converts electrical energy into mechanical movement.
• Check for any additional trouble codes.
• Inspect the parking lock solenoid and its wiring.
• Test the mechanical operation of the parking lock mechanism.
• Replace the parking lock solenoid if faulty.
• Repair or replace damaged wiring or connectors.
• Service or replace the transmission if there is a mechanical failure.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $600
Moderate
• Audi A4
• Volkswagen Passat
• Porsche Cayenne
• Regular transmission maintenance
• Ensure proper parking procedures
• Avoid excessive force when shifting
Transmission System Issue
• Avoid parking on steep inclines until repaired.
• Use the parking brake as a precaution.
• Consult a professional mechanic for diagnosis.
Check with the vehicle manufacturer for warranty coverage on transmission components.
The P17D2 code has been associated with issues in automatic transmissions, particularly in vehicles with electronic parking lock systems.
High – This issue can lead to vehicle rollaway, posing a safety risk.
Ensure the vehicle is securely parked and consult a professional mechanic to avoid potential safety hazards.
• Vehicle parked on a flat surface
• Transmission in 'Park' position
The parking lock mechanism is located within the transmission assembly.
Q: Can I drive with a P17D2 code?
A: It's not recommended to drive with this code as it can lead to safety issues like the vehicle rolling away when parked.
Q: How do I reset the P17D2 code?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.
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