Engine-CodesGeneric – P2728

P2728 Code - Pressure Control Solenoid 'E' Control Circuit Range/Performance

Quick Answer

The P2728 code indicates a problem with the Pressure Control Solenoid 'E' Control Circuit in the transmission system of a vehicle. Common causes include Faulty pressure control solenoid 'E', Damaged wiring or connectors in the control circuit, Malfunctioning transmission control module (TCM). 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
P2728 indicates Pressure Control Solenoid 'E' Control Circuit Range/Performance.
Common causes
Common causes include Faulty pressure control solenoid 'E', Damaged wiring or connectors in the control circuit, Malfunctioning transmission control module (TCM).
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 08, 2024
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Code P2728 Description

The P2728 code indicates a problem with the Pressure Control Solenoid 'E' Control Circuit in the transmission system of a vehicle. The pressure control solenoid is responsible for regulating the hydraulic pressure in the transmission, which is crucial for smooth shifting and overall transmission performance. When the control circuit range or performance of this solenoid is outside the expected parameters, it can lead to various issues with the transmission system.

OBDII Code P2728 - Pressure Control Solenoid 'E' Control Circuit Range/Performance
P2728 Code - Pressure Control Solenoid 'E' Control Circuit Range/Performance

Common Causes of P2728

  1. Faulty pressure control solenoid 'E'
  2. Damaged wiring or connectors in the control circuit
  3. Malfunctioning transmission control module (TCM)
  4. Low transmission fluid levels or contaminated fluid
  5. Internal transmission damage

Symptoms of P2728

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Erratic behavior while driving
  4. Decreased fuel efficiency
  5. Transmission going into limp mode

How to Fix P2728

  1. Begin by conducting a thorough diagnostic scan to confirm the P2728 code and identify any additional related codes.
  2. Inspect the pressure control solenoid 'E' and its wiring and connectors for any visible damage or corrosion.
  3. Test the resistance and continuity of the pressure control solenoid 'E' to determine if it is functioning correctly.
  4. Check the transmission fluid level and condition, topping up or replacing as necessary.
  5. If the issue persists, consider replacing the pressure control solenoid 'E' or addressing any other identified underlying causes.

Cost to Fix P2728

The cost of repairing a Pressure Control Solenoid 'E' Control Circuit Range/Performance issue can vary depending on the specific vehicle make and model, the severity of the problem, and the required repairs. In general, the cost of parts for a new pressure control solenoid 'E' can range from $50 to $200, with additional costs for labor. Labor rates at auto repair shops typically range between $80 and $150 per hour, but can vary based on location and shop rates. Overall, the total cost of repairing this issue could range from $150 to $500 or more, depending on the extent of the repairs needed. It is advisable to consult with a professional mechanic to get a more accurate estimate based on the specific circumstances of your vehicle.

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Code P2728 Information for Specific Makes

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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