AutoCodesChevrolet – P2739 2015 Chevrolet Silverado

P2739 2015 Chevrolet Silverado Code - Transmission Control Solenoid Valve 6 Control Circuit High Voltage

Quick Answer

The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve. 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 2015 Chevrolet Silverado indicates Transmission Control Solenoid Valve 6 Control Circuit High Voltage.
Common causes
Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve.
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.
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Code Popularity 255
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 25, 2024
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Code P2739 2015 Chevrolet Silverado Description

The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. As current flow is increased, the magnetic field produced by the coil moves the solenoid’s plunger further away from the exhaust port. Opening the exhaust port decreases the output fluid pressure regulated by the Transmission Control Solenoid Valve, which ultimately decreases line pressure. The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM). The Diagnostic Trouble Code (DTC) is set when the Transmission Control Solenoid Valve Control Circuit commanded state does not match the actual state for greater than 1 s.
OBDII Code P2739 2015 Chevrolet Silverado - Transmission Control Solenoid Valve 6 Control Circuit High Voltage - AutoCodes.com
P2739 2015 Chevrolet Silverado Code - Transmission Control Solenoid Valve 6 Control Circuit High Voltage

What are the Possible Causes of the DTC P2739 2015 Chevrolet Silverado?

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty Transmission Control Solenoid Valve
  • Transmission Control Solenoid Valve harness is open or shorted
  • Transmission Control Solenoid Valve circuit poor electrical connection
  • Faulty Transmission Control Module (TCM)

How to Fix the DTC P2739 2015 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2739 2015 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2739 2015 Chevrolet Silverado code?

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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 P2739 2015 Chevrolet Silverado Code

What does the OBDII code P2739 mean for a 2015 Chevrolet Silverado?

P2739 indicates a "Transmission Control Solenoid Valve 6 Control Circuit High Voltage," which means the engine control module (ECM) has detected an abnormally high voltage in the solenoid valve 6 circuit.

What are the common symptoms of the P2739 code in a 2015 Silverado?

Symptoms may include harsh or delayed shifting, slipping gears, transmission overheating, poor fuel economy, or the check engine light being illuminated.

What causes the P2739 code to appear on a 2015 Chevrolet Silverado?

Common causes include a faulty transmission control solenoid, damaged wiring or connectors in the solenoid circuit, a malfunctioning transmission control module (TCM), or low transmission fluid levels.

Can low transmission fluid cause the P2739 code?

Yes, low or contaminated transmission fluid can affect solenoid operation and may trigger the P2739 code.

How do you diagnose the P2739 code on a 2015 Silverado?

Diagnosis typically involves scanning for additional codes, inspecting the wiring and connectors for damage, testing the solenoid's resistance and operation, and verifying transmission fluid levels and condition.

Is it safe to drive a 2015 Chevrolet Silverado with the P2739 code?

Driving with this code is not recommended as it can lead to further transmission damage, poor performance, or unsafe driving conditions.

How much does it cost to repair the P2739 code on a 2015 Silverado?

Repair costs vary but may range from $150 to $400 for solenoid replacement, and wiring repairs could add additional costs depending on the extent of the damage.

Can a faulty TCM cause the P2739 code?

Yes, a malfunctioning transmission control module can send incorrect signals to the solenoid, resulting in the P2739 code.

How can you prevent the P2739 code from occurring?

Regular maintenance, including checking and replacing transmission fluid as needed and inspecting electrical connections for corrosion or damage, can help prevent this issue.

Do I need to reprogram the TCM after fixing the P2739 code?

In some cases, if the TCM was replaced or updated, it may require reprogramming to ensure proper communication with the transmission system.

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