P2817 Fault Code

Pressure Control Solenoid H Performance/Stuck Off

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2817 code indicates an issue with the Pressure Control Solenoid H in the transmission system. This solenoid is responsible for regulating hydraulic pressure and ensuring smooth shifting. When it is stuck off or not functioning correctly, it affects the overall performance of the transmission, leading to potential issues in gear shifting and vehicle operation.

What are the symptoms of the P2817 code?

Symptoms associated with the P2817 code may include:

• Delayed or harsh shifting between gears.
• The transmission may get stuck in one gear mode, often either the first gear or limp mode.
• The check engine light illuminated on the dashboard.
• Unusual noises from the transmission, such as whining or grinding.
• Poor acceleration or decreased fuel efficiency due to transmission problems.

What causes the P2817 code?

Common causes of the P2817 fault code include:

• Malfunctioning Pressure Control Solenoid H due to wear or electrical issues.
• Wiring problems, such as short circuits or broken connections, affecting the solenoid's function.
• Physical obstructions or debris within the transmission fluid that may prevent the solenoid from operating properly.
• Low or contaminated transmission fluid, which can affect solenoid performance.

How to fix P2817?

To resolve the P2817 code, consider the following steps:

• Inspect and, if necessary, replace the Pressure Control Solenoid H.
• Test the wiring and connectors for signs of damage or corrosion and repair as needed.
• Change the transmission fluid if it is contaminated or low, using the manufacturer's recommended fluid type.
• Conduct a thorough inspection of the transmission for any internal issues or obstructions.
• Clear the fault codes and perform a test drive to ensure the issue is resolved.