Engine-CodesDodge – P2755 Dodge

P2755 Dodge Code - Transmission Fluid Cooler Control Circuit High

Quick Answer

The P2755 diagnostic trouble code (DTC) for Dodge vehicles indicates a problem with the transmission fluid cooler control circuit being too high. Common causes include Faulty transmission fluid temperature sensor, Wiring issues in the transmission fluid cooler control circuit, Malfunctioning transmission fluid cooler. 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 Dodge indicates Transmission Fluid Cooler Control Circuit High.
Common causes
Common causes include Faulty transmission fluid temperature sensor, Wiring issues in the transmission fluid cooler control circuit, Malfunctioning transmission fluid cooler.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2755 Dodge Description

The P2755 diagnostic trouble code (DTC) for Dodge vehicles indicates a problem with the transmission fluid cooler control circuit being too high. This means that there is an issue with the electrical circuit that controls the transmission fluid cooler, which is responsible for maintaining the optimal temperature of the transmission fluid. The transmission fluid cooler is essential for ensuring that the transmission operates at the right temperature to prevent overheating and damage to the internal components.

OBDII Code P2755 Dodge - Transmission Fluid Cooler Control Circuit High
P2755 Dodge Code - Transmission Fluid Cooler Control Circuit High

Common Causes of P2755 Dodge

  1. Faulty transmission fluid temperature sensor
  2. Wiring issues in the transmission fluid cooler control circuit
  3. Malfunctioning transmission fluid cooler
  4. Defective transmission fluid cooler control module
  5. Low transmission fluid level

Symptoms of P2755 Dodge

  1. Rough or delayed shifting
  2. Overheating transmission
  3. Reduced fuel efficiency
  4. Illumination of the Check Engine Light
  5. Transmission slipping

How to Fix P2755 Dodge

  1. Diagnose the issue by using a scan tool to retrieve the DTC and checking the transmission fluid temperature sensor.
  2. Inspect the wiring in the transmission fluid cooler control circuit for any damage or loose connections.
  3. Test the transmission fluid cooler for proper operation and flow.
  4. Replace any faulty components such as the transmission fluid temperature sensor, wiring, or control module.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2755 Dodge

The typical repair costs for addressing a P2755 code in a Dodge vehicle can range from $200 to $600, depending on the specific cause of the issue and the parts that need to be replaced. This estimate includes the cost of parts and labor. However, it's important to note that actual repair costs may vary based on factors such as location, vehicle make and model, and the rates charged by auto repair shops. It is recommended to obtain quotes from multiple shops to get a more accurate estimate.

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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 Dodge Code

1. What does the OBDII code P2755 mean for a Dodge vehicle?

P2755 indicates a "Transmission Fluid Cooler Control Circuit High," meaning the vehicle's control module has detected a high voltage issue in the transmission fluid cooler control circuit.

2. What are the symptoms of a P2755 code in a Dodge?

Common symptoms include transmission overheating, reduced fuel efficiency, erratic shifting, or the illumination of the Check Engine Light.

3. What causes the P2755 code to appear on a Dodge vehicle?

Typical causes include a faulty transmission fluid cooler solenoid, damaged wiring or connectors in the circuit, or issues with the powertrain control module (PCM).

4. Can I drive my Dodge with a P2755 code?

While the vehicle may still operate, driving with this code can lead to transmission overheating and potential long-term damage. It’s best to address the issue promptly.

5. How is the P2755 code diagnosed on a Dodge?

A technician will use a scan tool to confirm the code, inspect the wiring and connectors for damage, and test the transmission fluid cooler solenoid for proper operation.

6. What repairs are needed to fix the P2755 code?

Repairs may include replacing the transmission fluid cooler solenoid, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.

7. How much does it cost to fix a P2755 code on a Dodge?

Repair costs can vary but typically range from $150 to $500, depending on labor rates and whether parts like the solenoid or PCM need replacement.

8. Can a low transmission fluid level cause the P2755 code?

While low fluid levels can cause transmission issues, they are not directly related to this code. However, it’s a good idea to check the fluid level as part of the diagnostic process.

9. Will clearing the P2755 code fix the problem?

Clearing the code may turn off the Check Engine Light temporarily, but the underlying issue must be resolved to prevent the code from returning.

10. How can I prevent a P2755 code from occurring?

Regular maintenance, including inspecting and servicing the transmission system, checking wiring for damage, and ensuring proper fluid levels, can help prevent this code.

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