P2739 2014 GMC Sierra 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 2014 GMC Sierra 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.
Code P2739 2014 GMC Sierra Description
What are the Possible Causes of the DTC P2739 2014 GMC Sierra?
- 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 2014 GMC Sierra?
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 2014 GMC Sierra 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 2014 GMC Sierra code?
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Frequently Asked Questions about P2739 2014 GMC Sierra Code
What does OBDII code P2739 mean on a 2014 GMC Sierra?
Code P2739 indicates that the powertrain control module (PCM) has detected high voltage in the control circuit of the Transmission Control Solenoid Valve 6.
What are the symptoms of code P2739 in a 2014 GMC Sierra?
Common symptoms include harsh or delayed shifting, erratic transmission behavior, transmission slipping, reduced fuel efficiency, and the illumination of the check engine light.
What causes the P2739 code to appear?
Potential causes include a faulty transmission control solenoid, damaged or corroded wiring/connectors in the solenoid circuit, a malfunctioning PCM, or low transmission fluid levels.
Can low transmission fluid trigger code P2739?
Yes, low or contaminated transmission fluid can affect solenoid operation and may contribute to triggering this code.
Is it safe to drive with code P2739 active?
Driving with this code may lead to further damage to the transmission. It is recommended to address the issue promptly to avoid costly repairs.
How is P2739 diagnosed on a 2014 GMC Sierra?
A technician will typically use a scan tool to confirm the code, inspect the wiring and connectors, test the solenoid’s resistance, and check the transmission fluid level and quality.
How can I fix the P2739 code on my GMC Sierra?
Repairs may include replacing the faulty solenoid, repairing or replacing damaged wiring, cleaning or resecuring connectors, or reprogramming the PCM if needed.
What tools are required to troubleshoot P2739?
Common tools include an OBDII scanner, a multimeter for testing voltage and resistance, and basic hand tools for accessing the solenoid and wiring.
Can a bad PCM cause the P2739 code?
Yes, although less common, a malfunctioning PCM can misinterpret voltage readings and trigger this code.
How much does it cost to repair code P2739 on a 2014 GMC Sierra?
Repair costs vary but may range from $150 to $500, depending on whether the issue is a solenoid replacement, wiring repair, or PCM reprogramming.
Discuss the causes and fixes for P2739 2014 GMC Sierra OBDII Code
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