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P2738 Chevrolet Code - Transmission Control Solenoid Valve 6 Control Circuit Low Voltage

Quick Answer

The P2738 Chevrolet code indicates a problem with the Transmission Control Solenoid Valve 6 Control Circuit, specifically a low voltage issue. Common causes include Faulty Transmission Control Solenoid Valve, Damaged wiring or connectors in the control circuit, Malfunctioning transmission control module. 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
P2738 Chevrolet indicates Transmission Control Solenoid Valve 6 Control Circuit Low Voltage.
Common causes
Common causes include Faulty Transmission Control Solenoid Valve, Damaged wiring or connectors in the control circuit, Malfunctioning transmission control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2738 Chevrolet Description

The P2738 Chevrolet code indicates a problem with the Transmission Control Solenoid Valve 6 Control Circuit, specifically a low voltage issue. The Transmission Control Solenoid Valve is responsible for regulating the flow of transmission fluid in the vehicle, which is crucial for proper gear shifting and overall transmission performance. When the control circuit is experiencing low voltage, it can lead to issues with shifting gears smoothly and efficiently.

OBDII Code P2738 Chevrolet - Transmission Control Solenoid Valve 6 Control Circuit Low Voltage
P2738 Chevrolet Code - Transmission Control Solenoid Valve 6 Control Circuit Low Voltage

Common Causes of P2738 Chevrolet

  1. Faulty Transmission Control Solenoid Valve
  2. Damaged wiring or connectors in the control circuit
  3. Malfunctioning transmission control module
  4. Low transmission fluid levels
  5. Electrical issues such as a blown fuse or relay

Symptoms of P2738 Chevrolet

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Erratic shifting patterns
  4. Transmission overheating
  5. Illuminated Check Engine Light

How to Fix P2738 Chevrolet

  1. Diagnose the specific cause of the low voltage issue using a diagnostic scanner to retrieve the fault codes and pinpoint the problem.
  2. Inspect the Transmission Control Solenoid Valve and the surrounding wiring and connectors for any signs of damage or corrosion.
  3. Test the transmission control module to ensure it is functioning properly and communicating with the solenoid valve.
  4. Replace the faulty Transmission Control Solenoid Valve if needed and repair any damaged wiring or connectors in the control circuit.
  5. Clear the fault codes and test drive the vehicle to ensure the issue has been resolved and the transmission is functioning correctly.

Cost to Fix P2738 Chevrolet

The typical repair costs for addressing a P2738 Chevrolet code can vary depending on the specific cause of the issue. In general, replacing a Transmission Control Solenoid Valve can cost between $150 to $400, while diagnosing and repairing wiring or connector issues may range from $100 to $300. Labor costs can add an additional $80 to $150 per hour, and the total repair cost can amount to $300 to $800 or more. It's important to factor in the specific diagnosis time and labor rates at auto repair shops in your area to get a more accurate estimate for this repair.

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Information for Specific Chevrolet Models

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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