P2755 Fault Code

Transmission Fluid Cooler Control Circuit High

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

The P2755 fault code indicates an issue with the transmission fluid cooler control circuit, specifically that the signal voltage is higher than expected. This can affect the cooling efficiency of the transmission fluid, which is critical for maintaining proper operating temperatures and ensuring optimal performance.

What are the symptoms of the P2755 code?

Symptoms associated with the P2755 fault code may include:

• Overheating of the transmission
• Poor shifting performance or harsh gear changes
• Transmission slipping or neutral engagement
• Warning lights illuminated on the dashboard, such as 'Check Engine' or 'Transmission'

What causes the P2755 code?

Common causes of the P2755 code include:

• Faulty transmission fluid cooler control circuit or sensor
• Damaged wiring or connectors related to the cooling system
• Short circuits in the control circuit
• Issues with the transmission control module (TCM)

How to fix P2755?

To resolve the P2755 code, follow these steps:

1. Inspect the wiring and connectors related to the transmission fluid cooler for any signs of damage or corrosion.
2. Test the fluid cooler control circuit to ensure it is functioning correctly.
3. Replace any faulty components, such as sensors or wiring.
4. Clear the fault code and perform a test drive to ensure the issue is resolved.