Engine-CodesGeneric – P0C25

P0C25 Code - Auxiliary Transmission Fluid Pump Control Module Circuit High

Quick Answer

The diagnostic trouble code P0C25 indicates a problem with the Auxiliary Transmission Fluid Pump Control Module Circuit being too high. Common causes include Damaged wiring or connectors, Faulty Auxiliary Transmission Fluid Pump Control Module, Malfunctioning auxiliary transmission fluid pump. 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
P0C25 indicates Auxiliary Transmission Fluid Pump Control Module Circuit High.
Common causes
Common causes include Damaged wiring or connectors, Faulty Auxiliary Transmission Fluid Pump Control Module, Malfunctioning auxiliary transmission fluid pump.
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 16, 2024
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Code P0C25 Description

The diagnostic trouble code P0C25 indicates a problem with the Auxiliary Transmission Fluid Pump Control Module Circuit being too high. This module is responsible for controlling the auxiliary transmission fluid pump, which helps to maintain proper fluid pressure within the transmission system. When the circuit is reading high, it means that there is an issue with the electrical signals being sent to the pump, potentially leading to a malfunction in the transmission system.

OBDII Code P0C25 - Auxiliary Transmission Fluid Pump Control Module Circuit High
P0C25 Code - Auxiliary Transmission Fluid Pump Control Module Circuit High

Common Causes of P0C25

  1. Damaged wiring or connectors
  2. Faulty Auxiliary Transmission Fluid Pump Control Module
  3. Malfunctioning auxiliary transmission fluid pump
  4. Software issue in the vehicle's computer system
  5. Electrical interference or short circuits

Symptoms of P0C25

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Illuminated check engine light
  4. Decreased fuel efficiency
  5. Transmission overheating

How to Fix P0C25

  1. Begin by conducting a thorough inspection of the wiring and connectors associated with the Auxiliary Transmission Fluid Pump Control Module.
  2. Test the control module and pump to determine if they are functioning correctly.
  3. Replace any damaged wiring, connectors, or components as needed.
  4. Clear the diagnostic trouble codes from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, consult a professional mechanic for further diagnosis and repair.

Cost to Fix P0C25

The typical repair costs for addressing the P0C25 code can vary depending on the extent of the issue and the specific components that need to be replaced. In general, the cost of parts for this repair could range from $200 to $500, with additional labor costs of $100 to $300. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It's advisable to check with local auto repair shops for a more accurate estimate based on your specific circumstances.

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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.

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