P2739 2015 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 2015 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 2015 GMC Sierra Description
What are the Possible Causes of the DTC P2739 2015 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 2015 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 2015 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 2015 GMC Sierra code?
Need more information on how to fix the P2739 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2739 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2739 2015 GMC Sierra Code
1. What does the OBDII code P2739 mean for a 2015 GMC Sierra?
P2739 indicates a high voltage condition in the Transmission Control Solenoid Valve 6 Control Circuit, which may impact the transmission's operation.
2. What are the common symptoms of a P2739 code?
Symptoms may include harsh or delayed shifting, transmission slipping, reduced fuel efficiency, or the transmission being stuck in a single gear.
3. What causes the P2739 code to be triggered?
Common causes include a faulty transmission control solenoid, damaged or corroded wiring, a short or open circuit, or a malfunctioning powertrain control module (PCM).
4. Can a dirty transmission fluid cause the P2739 code?
While not a direct cause, contaminated or low transmission fluid can contribute to solenoid issues, which might trigger the code.
5. How can I diagnose a P2739 code on my GMC Sierra?
Start by inspecting the wiring and connectors to the solenoid for damage or corrosion. Use a multimeter to test the solenoid's resistance and ensure proper voltage and continuity in the circuit.
6. Is it safe to drive with a P2739 code?
Driving with this code is not recommended, as it can lead to transmission damage or unsafe driving conditions due to shifting issues.
7. How do I fix the P2739 code on a 2015 GMC Sierra?
Repairs may include replacing the faulty solenoid, repairing or replacing damaged wiring or connectors, cleaning connectors, or reprogramming or replacing the PCM if necessary.
8. How much does it cost to repair a P2739 code?
Repair costs can vary, but replacing a solenoid might cost $200–$400, while wiring or PCM repairs could add to the total cost depending on the extent of the damage.
9. Can a P2739 code clear itself?
The code may clear temporarily if the issue is intermittent, but it will reappear if the underlying problem is not resolved.
10. Will resetting the check engine light fix the P2739 code?
Resetting the light will not fix the issue. The root cause must be identified and repaired to prevent the code from returning.
Discuss the causes and fixes for P2739 2015 GMC Sierra OBDII Code
Code P2739 2015 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
