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Engine-Codes – Generic – P2739

P2739 Code - Transmission Control Solenoid Valve 6 Control Circuit High Voltage

Quick Answer

The diagnostic trouble code P2739 indicates that there is a high voltage condition detected in the control circuit of Transmission Control Solenoid Valve 6. Common causes include Faulty Transmission Control Solenoid Valve 6, Wiring or connector issues in the control circuit, Corrosion or damage to electrical connections. 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
P2739 indicates Transmission Control Solenoid Valve 6 Control Circuit High Voltage.
Common causes
Common causes include Faulty Transmission Control Solenoid Valve 6, Wiring or connector issues in the control circuit, Corrosion or damage to electrical connections.
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 13, 2024
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Code P2739 Description

The diagnostic trouble code P2739 indicates that there is a high voltage condition detected in the control circuit of Transmission Control Solenoid Valve 6. This solenoid valve is responsible for regulating the flow of transmission fluid in the transmission system, which plays a crucial role in shifting gears smoothly and efficiently. When the control circuit voltage is too high, it can lead to improper operation of the solenoid valve, causing issues with gear shifting, transmission performance, and overall drivability of the vehicle.

OBDII Code P2739 - Transmission Control Solenoid Valve 6 Control Circuit High Voltage
P2739 Code - Transmission Control Solenoid Valve 6 Control Circuit High Voltage

Common Causes of P2739

  1. Faulty Transmission Control Solenoid Valve 6
  2. Wiring or connector issues in the control circuit
  3. Corrosion or damage to electrical connections
  4. Internal transmission problems
  5. Issues with the transmission control module

Symptoms of P2739

  1. Harsh or delayed shifting of gears
  2. Transmission slipping or jerking
  3. Decreased fuel efficiency
  4. Transmission overheating
  5. Illumination of the check engine light

How to Fix P2739

  1. Perform a thorough inspection of the transmission control solenoid valve 6 and the control circuit to identify any visible damage or issues.
  2. Test the solenoid valve and control circuit using a multimeter to check for proper voltage levels and continuity.
  3. Replace the Transmission Control Solenoid Valve 6 if it is found to be faulty.
  4. Repair or replace any damaged wiring, connectors, or electrical components in the control circuit.
  5. Clear the diagnostic trouble codes, reset the vehicle's computer, and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P2739

The typical repair costs for addressing a Transmission Control Solenoid Valve 6 Control Circuit High Voltage issue can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

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Code P2739 Information for Specific Makes

  • P2739 Buick — Transmission Control Solenoid Valve 6 Control Circuit High Voltage
  • P2739 Cadillac — Transmission Control Solenoid Valve 6 Control Circuit High Voltage
  • P2739 Chevrolet — Transmission Control Solenoid Valve 6 Control Circuit High Voltage
  • P2739 Dodge — Pressure Control Solenoid 'F' Control Circuit High
  • P2739 GMC — Transmission Control Solenoid Valve 6 Control Circuit High Voltage
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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