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 that the pressure in the system that controls the second clutch is too high. It's like when you blow into a balloon too much and it feels like it might pop.
The vehicle's transmission control module (TCM) monitors the hydraulic pressure in the clutch circuits. If it detects that the pressure in the second clutch circuit is higher than expected, it triggers this code.
P17A5 is triggered when the transmission control module (TCM) detects an abnormally high hydraulic pressure in the Clutch 2 circuit. This can be due to a malfunctioning pressure sensor, a blockage in the hydraulic lines, or a mechanical issue within the transmission.
• Transmission slipping
• Harsh or delayed shifting
• Check Engine Light illuminated
• Faulty hydraulic pressure sensor
• Blocked or restricted hydraulic lines
• Mechanical failure within the transmission
Hydraulic Pressure: The pressure exerted by a fluid in a closed system.
Transmission Control Module (TCM): A computer that controls the operation of the transmission.
• Read the OBD-II codes using a scanner.
• Inspect the hydraulic lines for blockages or leaks.
• Test the hydraulic pressure sensor for proper operation.
• Replace the faulty hydraulic pressure sensor.
• Clear any blockages in the hydraulic lines.
• Repair or replace damaged transmission components.
• OBD-II scanner
• Hydraulic pressure gauge
• Basic hand tools
$200 - $800
Moderate
• Volkswagen Jetta
• Audi A4
• Skoda Octavia
• Regular transmission fluid changes
• Routine maintenance checks
• Avoid aggressive driving
Transmission Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional mechanic.
• Avoid driving the vehicle until the issue is resolved to prevent further damage.
Check with your vehicle manufacturer for specific warranty coverage related to transmission issues.
This code has been associated with vehicles that have dual-clutch transmissions, which are more sensitive to hydraulic pressure variations.
High – Driving with this issue can cause further damage to the transmission.
Ignoring this code can lead to transmission failure, which may result in a loss of vehicle control.
• Vehicle at operating temperature
• Transmission in gear
The hydraulic pressure sensor is typically located on or near the transmission housing.
Q: Can I drive with a P17A5 code?
A: It's not recommended to drive with this code as it can lead to further transmission damage.
Q: How do I clear a P17A5 code?
A: Fix the underlying issue and then use an OBD-II scanner to clear the code.
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