AutoCodes – Generic – P2755

P2755 Code - Transmission Fluid Cooler Control Circuit High

Quick Answer

The Engine Control Module (ECM) monitors the Transmission Fluid Cooler Control Circuit. Common causes include Faulty Automatic Transmission Cooler Control Valve, Automatic Transmission Cooler Control Valve harness is open or shorted, Automatic Transmission Cooler Control Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P2755 indicates Transmission Fluid Cooler Control Circuit High.
Common causes: Common causes include Faulty Automatic Transmission Cooler Control Valve, Automatic Transmission Cooler Control Valve harness is open or shorted, Automatic Transmission Cooler Control Valve circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 13,303

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2755 Description

The Engine Control Module (ECM) monitors the Transmission Fluid Cooler Control Circuit. The ECM sets the OBDII code when the Transmission Fluid Cooler Control Circuit signal is out of factory specifications.

OBDII Code P2755 - Transmission Fluid Cooler Control Circuit High - AutoCodes.com — P2755 Code - Transmission Fluid Cooler Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P2755?

Faulty Automatic Transmission Cooler Control Valve
Automatic Transmission Cooler Control Valve harness is open or shorted
Automatic Transmission Cooler Control Valve circuit poor electrical connection

How to Fix the DTC P2755?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2755 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2755 code?

Need more information on how to fix the P2755 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2755 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2755 Dodge — Transmission Fluid Cooler Control Circuit High

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2755 Code

1. What are common symptoms of OBDII code P2755 (Transmission Fluid Cooler Control Circuit High)?

- Common symptoms include harsh shifting, transmission overheating, illuminated Check Engine Light, and reduced fuel efficiency.

2. What are the possible causes of OBDII code P2755?

- The code P2755 can be caused by issues such as a faulty transmission fluid cooler control solenoid, wiring issues, a defective PCM, or low transmission fluid levels.

3. How can I diagnose the cause of OBDII code P2755?

- To diagnose the cause of P2755, you can start by checking the transmission fluid level, inspecting the wiring and connectors related to the transmission cooler control circuit, and testing the transmission fluid cooler control solenoid.

4. What are the repair options for OBDII code P2755?

- Repair options for P2755 include replacing the transmission fluid cooler control solenoid, repairing any damaged wiring or connectors, topping up or changing the transmission fluid, and resetting the fault codes.

5. Can driving with OBDII code P2755 cause further damage to the vehicle?

- Continuing to drive with code P2755 may lead to further damage to the transmission system, potentially resulting in costly repairs. It is advisable to address the issue promptly.

6. How much does it typically cost to repair OBDII code P2755?

- The cost of repairing OBDII code P2755 can vary depending on the underlying cause, but it may range from $200 to $500 for parts and labor.

7. Is it safe to continue driving with the Check Engine Light illuminated due to code P2755?

- It is not recommended to continue driving with the Check Engine Light on, as it indicates a potential issue with the transmission system that requires attention to prevent further damage.

8. Can a DIY enthusiast fix OBDII code P2755 at home?

- Depending on the skill level and tools available, some DIY enthusiasts may be able to address OBDII code P2755 at home by following repair guides and using caution.

9. How long does it take to repair OBDII code P2755?

- The repair time for OBDII code P2755 can vary based on the specific issue and the repair process involved, but it may take anywhere from a few hours to a full day at a repair shop.

10. Are there any preventive maintenance tips to avoid OBDII code P2755 in the future?

- To prevent OBDII code P2755, it is recommended to maintain regular transmission fluid checks and changes, address any transmission-related issues promptly, and ensure proper cooling system function.